Patent | Date |
---|
Wound field synchronous machine Grant 11303194 - | 2022-04-12 |
Cascaded offset optical modulator for optical communications Grant 11,018,773 - Lantz , et al. May 25, 2 | 2021-05-25 |
Reliability extreme temperature integrated circuits and method for producing the same Grant 11,004,802 - Spry , et al. May 11, 2 | 2021-05-11 |
Two and three-dimensional near infrared subcutaneous structure imager using realtime nonlinear video processing Grant 10,977,776 - Krasowski , et al. April 13, 2 | 2021-04-13 |
Method and device for treating caries using locally delivered microwave energy Grant 10,966,809 - Stangel , et al. April 6, 2 | 2021-04-06 |
Hexapod pose knowledge improvement by joint location calibration with individual strut length differential measurements Grant 10,962,166 - Liu March 30, 2 | 2021-03-30 |
Supercritical water oxidation flame-piloted vortex flow reactor Grant 10,954,152 - Hicks , et al. March 23, 2 | 2021-03-23 |
Wireless flight sensor system for air and space vehicles Grant 10,931,480 - Waldersen February 23, 2 | 2021-02-23 |
Polyamide/polyimide aerogels Grant 10,907,025 - Williams , et al. February 2, 2 | 2021-02-02 |
Grasp assist system Grant 10,888,487 - Rogers , et al. January 12, 2 | 2021-01-12 |
Velocity determination system and method Grant 10,884,012 - Hulse , et al. January 5, 2 | 2021-01-05 |
Highly thermally conductive hexagonal boron nitride/alumina composite made from commercial hexagonal boron nitride Grant 10,876,024 - Hung , et al. December 29, 2 | 2020-12-29 |
Near earth and deep space communications system Grant 10,862,189 - Romanofsky December 8, 2 | 2020-12-08 |
Non-invasive tension-measurement devices and methods Grant 10,816,420 - Litteken , et al. October 27, 2 | 2020-10-27 |
Advanced high temperature environmental barrier coating systems for SiC/SiC ceramic matrix composites Grant 10,807,912 - Zhu , et al. October 20, 2 | 2020-10-20 |
Optically transparent polyimide aerogels Grant 10,800,883 - Vivod , et al. October 13, 2 | 2020-10-13 |
Process for preparing aerogels from polyamides Grant 10,787,569 - Meador , et al. September 29, 2 | 2020-09-29 |
Variable camber continuous aerodynamic control surfaces and methods for active wing shaping control Grant 10,787,242 - Nguyen September 29, 2 | 2020-09-29 |
Dual-band and wideband patch antenna Grant 10,784,593 - Sims, III Sept | 2020-09-22 |
Process for forming a single crystal superalloy wave spring Grant 10,780,514 - DeMange , et al. Sept | 2020-09-22 |
Controlled release materials for anti-corrosion agents Grant 10,767,058 - Zhang , et al. Sep | 2020-09-08 |
Apparatus and method for using shape memory alloys to form shapes Grant 10,738,373 - Benafan , et al. A | 2020-08-11 |
Ultra high temperature ceramic coatings and ceramic matrix composite systems Grant 10,731,237 - Zhu , et al. | 2020-08-04 |
Gas sensors with contact pads Grant 10,732,161 - Xu , et al. | 2020-08-04 |
System and apparatus for genetic regulation by electromagnetic stimulation fields Grant 10,724,030 - Goodwin , et al. | 2020-07-28 |
Contrast based imaging and analysis computer-implemented method to analyze pulse thermography data for nondestructive evaluation Grant 10,728,426 - Koshti | 2020-07-28 |
Polyimide aerogels with reduced shrinkage from isothermal aging Grant 10,723,857 - Viggiano , et al. | 2020-07-28 |
High blowing ratio high effectiveness film cooling configurations Grant 10,689,986 - Ameri , et al. | 2020-06-23 |
Method of mapping melt pattern during directed energy fabrication Grant 10,688,560 - Gradl , et al. | 2020-06-23 |
Ammonia capture and recovery system and method for removing ammonia from a wastewater stream Grant 10,676,374 - Lunn , et al. | 2020-06-09 |
Shape memory alloy rock splitters (SMARS) Grant 10,675,781 - Benafan , et al. | 2020-06-09 |
Hybrid communication system including a mounting structure for an optical element Grant 10,673,146 - Wroblewski | 2020-06-02 |
System and apparatus for filtering particles Grant 10,663,376 - Agui , et al. | 2020-05-26 |
Formulations for engineered ceramic matrix composites for high temperature applications Grant 10,654,756 - Raj | 2020-05-19 |
Cup cryostat thermal conductivity analyzer Grant 10,656,109 - Fesmire , et al. | 2020-05-19 |
Microcontroller controlled altimeter Grant 10,648,806 - Hesh , et al. | 2020-05-12 |
Variable frequency power system for hybrid electric aircraft propulsion Grant 10,647,439 - Beach | 2020-05-12 |
Flywheel pulse and glide system for vehicles Grant 10,632,828 - Trase , et al. | 2020-04-28 |
High temperature, hydrophobic, flexible aerogel composite and method of making same Grant 10,633,256 - Guo , et al. | 2020-04-28 |
Contrast-based imaging and analysis computer-implemented methods to analyze thermography data for nondestructive evaluation Grant 10,620,133 - Koshti | 2020-04-14 |
Fiber optic system for monitoring displacement of a structure using quaternion kinematic shape sensing Grant 10,612,911 - Pena, III , et al. | 2020-04-07 |
Advanced high temperature environmental barrier coating for SiC/SiC ceramic matrix composites Grant 10,604,454 - Zhu , et al. | 2020-03-31 |
Radiation shielding materials containing hydrogen, boron and nitrogen Grant 10,607,742 - Thibeault , et al. | 2020-03-31 |
Self-repairing metal alloy matrix composites, methods of manufacture and use thereof and articles comprising the same Grant 10,597,761 - Manuel , et al. | 2020-03-24 |
Engineered matrix self-healing composites Grant 10,590,044 - Raj | 2020-03-17 |
Assessment of conservatism level in an aircraft turbine engine design Grant 10,592,622 - Csank , et al. | 2020-03-17 |
High temperature, flexible aerogel composite and method of making same Grant 10,590,000 - Hurwitz | 2020-03-17 |
Double-fed induction linear oscillating alternator Grant 10,581,355 - Dyson | 2020-03-03 |
Axially sealing plug Grant 10,569,939 - Younse Feb | 2020-02-25 |
Tunable multi-tone multi-band high-frequency synthesizer for space-borne beacon transmitter for atmospheric radio wave propagation studies Grant 10,564,248 - Simons , et al. Feb | 2020-02-18 |
Frequency multiplexed radio frequency identification Grant 10,567,146 - Fink , et al. Feb | 2020-02-18 |
Single conductor alloy as diffusion barrier system and simultaneous ohmic contact to n- and p-type silicon carbide Grant 10,515,804 - Okojie Dec | 2019-12-24 |
Thermal management system Grant 10,507,934 - Dyson, Jr. Dec | 2019-12-17 |
High/low temperature contactless radio frequency probes Grant 10,509,054 - Jordan , et al. Dec | 2019-12-17 |
Multi-phase ceramic system Grant 10,501,373 - Dynys , et al. Dec | 2019-12-10 |
Larger-area integrated electrical metallization dielectric structures with stress-managed unit cells for more capable extreme environment semiconductor electronics Grant 10,490,550 - Spry , et al. Nov | 2019-11-26 |
Broadband acoustic absorbers Grant 10,460,714 - Koch , et al. Oc | 2019-10-29 |
Micro scale electro hyrdodynamic (EHD) modular cartridge pump Grant 10,461,621 - Showalter , et al. Oc | 2019-10-29 |
Superelastic tire Grant 10,449,804 - Padula, II , et al. Oc | 2019-10-22 |
Variable frequency power system for hybrid electric aircraft propulsion Grant 10,450,080 - Beach Oc | 2019-10-22 |
Aerogel-based antennas for aerospace and terrestrial applications Grant 10,446,920 - Meador , et al. Oc | 2019-10-15 |
Polymer electrolyte-based sensors Grant 10,444,180 - Hunter , et al. Oc | 2019-10-15 |
Radially stiffened shape memory alloy tire Grant 10,427,461 - Padula, II , et al. October 1, 2 | 2019-10-01 |
Low power charged particle counter Grant 10,429,521 - Wrbanek , et al. O | 2019-10-01 |
Intelligent data transfer for multiple sensor networks over a broad temperature range Grant 10,433,308 - Krasowski O | 2019-10-01 |
Propeller design Grant 10,414,485 - Bowers Sept | 2019-09-17 |
Method and apparatus for in-situ health monitoring of solar cells in space Grant 10,396,709 - Krasowski , et al. A | 2019-08-27 |
Diffusion barrier systems (DBS) for high temperature semiconductor electrical contacts Grant 10,381,455 - Okojie A | 2019-08-13 |
Solid electrolyte-based microthrusters Grant 10,378,521 - West A | 2019-08-13 |
Clapp-type oscillators for high temperature pressure sensor systems Grant 10,378,986 - Scardelletti A | 2019-08-13 |
Black silicon blackbody calibration target Grant 10,371,579 - Johnson , et al. | 2019-08-06 |
High hardness, high elasticity intermetallic compounds for mechanical components Grant 10,364,483 - Stanford , et al. | 2019-07-30 |
Polyimide aerogels having polyamide cross-links and processes for making the same Grant 10,358,539 - Meador | 2019-07-23 |
High temperature, hydrophobic, flexible aerogel composite and method of making same Grant 10,343,131 - Hurwitz , et al. July 9, 2 | 2019-07-09 |
System and method for providing a modern-era retrospective analysis for research and applications (MERRA) data analytic service Grant 10,339,114 - Schnase , et al. | 2019-07-02 |
Lidar instrument and method of operation Grant 10,337,996 - Blagojevic , et al. | 2019-07-02 |
Shrouded seal assembly Grant 10,330,201 - Dunlap, Jr. , et al. | 2019-06-25 |
Frequency diversity pulse pair determination for mitigation of radar range-doppler ambiguity Grant 10,317,521 - Li , et al. | 2019-06-11 |
Fuel Cell Power Management Grant 10,320,015 - Burke | 2019-06-11 |
Alpha-stream convertor Grant 10,309,376 - Dyson , et al. | 2019-06-04 |
Compact, high resolution thermal infrared imager Grant 10,306,155 - Jhabvala , et al. | 2019-05-28 |
Automatic dependent surveillance broadcast (ADS-B) system with radar for ownship and traffic situational awareness Grant 10,302,759 - Arteaga | 2019-05-28 |
Relative deflection detector Grant 10,293,481 - Rovekamp , et al. | 2019-05-21 |
Templated nanostructure sensors and methods of manufacture Grant 10,294,099 - Biaggi-Labiosa , et al. | 2019-05-21 |
Inductive power transfer for aerospace flight systems Grant 10,298,060 - Wright | 2019-05-21 |
Bioinformatic analysis of vascular patterning Grant 10,282,841 - Parsons-Wingerter , et al. | 2019-05-07 |
Residual mode filters Grant 10,281,907 - Frost , et al. | 2019-05-07 |
Propellant distributor for a thruster Grant 10,273,944 - Huang , et al. | 2019-04-30 |
High-efficiency secondary signal combiner Grant 10,277,346 - Downey , et al. | 2019-04-30 |
Interfacing with one or more intelligent systems Grant 10,268,453 - Ong , et al. | 2019-04-23 |
Durable bond pad structure for electrical connection to extreme environment microelectronic integrated circuits Grant 10,256,202 - Spry , et al. | 2019-04-09 |
Piezoelectric field disturbance sensing system and method Grant 10,254,325 - Jensen | 2019-04-09 |
Multimode directional coupler Grant 10,249,929 - Simons , et al. | 2019-04-02 |
Two-way microwave power divider Grant 10,243,250 - U-Yen , et al. | 2019-03-26 |
Beamforming rectennas, systems and methods for wireless power transfer Grant 10,243,412 - Fink , et al. | 2019-03-26 |
Contrast based imaging and analysis computer-implemented method to analyze pulse thermography data for nondestructive evaluation Grant 10,242,439 - Koshti | 2019-03-26 |
Lenslet array based integral field spectrograph and data processing Grant 10,236,166 - Gong , et al. | 2019-03-19 |
Modular battery controller Grant 10,236,693 - Button , et al. | 2019-03-19 |
Steering mirror assist for laser pointing Grant 10,228,465 - Yang , et al. | 2019-03-12 |
Polyamide aerogels Grant 10,227,469 - Williams , et al. | 2019-03-12 |
Thermoacoustic convertor Grant 10,227,950 - Dyson, Jr. | 2019-03-12 |
System and method for modular unmanned aerial system Grant 10,196,143 - Quinlan , et al. Fe | 2019-02-05 |
Cold installation of elastomeric valve seat Grant 10,197,165 - Richard , et al. Fe | 2019-02-05 |
Modular unmanned aerial system with multi-mode propulsion Grant 10,189,565 - Patterson , et al. Ja | 2019-01-29 |
Simultaneous ohmic contact to silicon carbide Grant 10,192,970 - Okojie Ja | 2019-01-29 |
System and method for training of state-classifiers Grant 10,192,173 - Stephens , et al. Ja | 2019-01-29 |
Method for the absolute calibration of the location and orientation of large-format detectors using laser radar Grant 10,191,163 - Coulter , et al. Ja | 2019-01-29 |
Aircraft engine icing event avoidance and mitigation through real-time simulation and controls Grant 10,184,405 - Veres , et al. Ja | 2019-01-22 |
Material damage system and method for determining same Grant 10,184,777 - Okojie Ja | 2019-01-22 |
System, apparatus and method for pedal control Grant 10,180,699 - Love , et al. Ja | 2019-01-15 |
Air-to-air background oriented schlieren technique Grant 10,169,847 - Heineck , et al. J | 2019-01-01 |
Gated CDS integrator Grant 10,158,335 - Quilligan , et al. Dec | 2018-12-18 |
Cryogenic hydrogen radiation shield for human spaceflight Grant 10,144,535 - Li , et al. De | 2018-12-04 |
Continuous carrier optical phase optometric measurement over coherent optical communication link Grant 10,148,352 - Yang , et al. De | 2018-12-04 |
Active gas-gap heat switch with fast thermal response Grant 10,145,602 - Shirron , et al. De | 2018-12-04 |
Planar via-less crossover having coplanar waveguide configurations and stub layers Grant 10,147,992 - U-Yen , et al. De | 2018-12-04 |
Multi-dimensional damage detection Grant 10,138,005 - Gibson , et al. Nov | 2018-11-27 |
High output maximum efficiency resonator Grant 10,141,705 - Stysley , et al. Nov | 2018-11-27 |
Cryogenic heat transfer system Grant 10,126,024 - Chui , et al. November 13, 2 | 2018-11-13 |
Frequency multiplexed radio frequency identification Grant 10,121,030 - Fink , et al. November 6, 2 | 2018-11-06 |
High/low temperature contactless radio frequency probes Grant 10,114,040 - Jordan , et al. October 30, 2 | 2018-10-30 |
Vibration ring Grant 10,113,606 - Asnani October 30, 2 | 2018-10-30 |
Three-dimensional multifunctional ablative thermal protection system Grant 10,105,909 - Feldman , et al. October 23, 2 | 2018-10-23 |
Acoustic liners for turbine engines Grant 10,107,139 - Jones , et al. October 23, 2 | 2018-10-23 |
Laser beam expander with adjustable collimation Grant 10,095,041 - Ramos-Izquierdo , et al. October 9, 2 | 2018-10-09 |
Device and method for digital-to-analog transformations and reconstructions of multi-channel electrocardiograms Grant 10,085,662 - Schlegel , et al. October 2, 2 | 2018-10-02 |
System and sensor for RFID-enabled information collection Grant 10,089,506 - Fink , et al. October 2, 2 | 2018-10-02 |
Portable unit for metabolic analysis Grant 10,076,268 - Dietrich , et al. September 18, 2 | 2018-09-18 |
System and apparatus for filtering particles Grant 10,078,036 - Agui , et al. September 18, 2 | 2018-09-18 |
Self diagnostic accelerometer field programmable gate array (SDA FPGA) Grant 10,073,115 - Tokars , et al. September 11, 2 | 2018-09-11 |
Video distribution and storage unit Grant 10,075,678 - Kadari , et al. September 11, 2 | 2018-09-11 |
System and method for providing a climate data analytic services application programming interface Grant 10,075,562 - Schnase , et al. September 11, 2 | 2018-09-11 |
Method of fabricating x-ray absorbers for low-energy x-ray spectroscopy Grant 10,074,764 - Stevenson , et al. September 11, 2 | 2018-09-11 |
Polyamide/polyimide aerogels Grant 10,066,073 - Williams , et al. September 4, 2 | 2018-09-04 |
Polymer nanofiber based reversible nano-switch/sensor schottky diode (nanoSSSD) device Grant 10,067,080 - Miranda , et al. September 4, 2 | 2018-09-04 |
Advanced protective coatings for gr-based nuclear propulsion fuel elements Grant 10,068,675 - Raj , et al. September 4, 2 | 2018-09-04 |
Modular apparatus and method for attaching multiple devices Grant 10,067,025 - Okojie September 4, 2 | 2018-09-04 |
Apparatus and method for communication over power lines Grant 10,069,536 - Krasowski , et al. September 4, 2 | 2018-09-04 |
Asymmetric dianhyrdrides and methods of making the same Grant 10,059,682 - Chuang August 28, 2 | 2018-08-28 |
Advanced remotely operated vehicle for education and research Grant 10,059,418 - Miles , et al. August 28, 2 | 2018-08-28 |
Low friction reaction wheel system and containment structure with integrated electromagnets Grant 10,053,242 - Yew , et al. August 21, 2 | 2018-08-21 |
Bipedal isotropic lattice locomoting explorer: robotic platform for locomotion and manipulation of discrete lattice structures and lightweight space structures Grant 10,046,820 - Jenett , et al. August 14, 2 | 2018-08-14 |
Robust waveguide millimeter wave noise source Grant 10,044,320 - Ehsan , et al. August 7, 2 | 2018-08-07 |
System to perform radio frequency interferometry using optical fiber sensing signal processing techniques Grant 10,036,632 - Ott , et al. July 31, 2 | 2018-07-31 |
Ka-band waveguide hybrid divider with unequal and arbitrary power output ratio Grant 10,033,083 - Simons , et al. July 24, 2 | 2018-07-24 |
Range and intensity image-based terrain and vehicle relative pose estimation system Grant 10,024,664 - Gill , et al. July 17, 2 | 2018-07-17 |
Guarded flat plate cryogenic test apparatus and calorimeter (C-600) Grant 10,024,812 - Fesmire , et al. July 17, 2 | 2018-07-17 |
Simulation and verification system and method Grant 10,027,566 - Seeger , et al. July 17, 2 | 2018-07-17 |
Computer controlled solid state lighting assembly to emulate diurnal cycle and improve circadian rhythm control Grant 10,022,556 - Holbert , et al. July 17, 2 | 2018-07-17 |
Digital map rendering method Grant 10,019,835 - Skoog , et al. July 10, 2 | 2018-07-10 |
Auto tracking antenna platform Grant 10,020,558 - Sanner , et al. July 10, 2 | 2018-07-10 |
Process for preparing aerogels from polyamides Grant 10,011,719 - Meador , et al. July 3, 2 | 2018-07-03 |
Biblade sampler Grant 10,012,568 - Backes , et al. July 3, 2 | 2018-07-03 |
Systems and methods for designing and fabricating support structures for overhang geometries of parts in additive manufacturing Grant 10,010,936 - Chou , et al. July 3, 2 | 2018-07-03 |
Energy analysis method for hidden damage detection Grant 10,006,886 - Campbell Leckey June 26, 2 | 2018-06-26 |
Methods for intercalating and exfoliating hexagonal boron nitride Grant 10,005,668 - Hung , et al. June 26, 2 | 2018-06-26 |
Compositions and methods associated with intercalating and exfoliating a sample Grant 10,000,419 - Hung , et al. June 19, 2 | 2018-06-19 |
Carbon-enhanced cement clinker Grant 10,000,413 - Abney , et al. June 19, 2 | 2018-06-19 |
Conducting autonomous experiments in space Grant 9,998,639 - Bhattacharya , et al. June 12, 2 | 2018-06-12 |
Method of manufacturing a humidity sensing material Grant 9,987,658 - Rolin , et al. June 5, 2 | 2018-06-05 |
Universal and automated monte carlo method code for uncertainty propagation in metrology databases Grant 9,990,335 - Hayden , et al. June 5, 2 | 2018-06-05 |
Gated CDS integrator Grant 9,985,594 - Quilligan , et al. May 29, 2 | 2018-05-29 |
Systems and methods for beam forming RFID tags Grant 9,977,121 - Fink , et al. May 22, 2 | 2018-05-22 |
Fabricating ultra-thin silicon carbide diaphragms Grant 9,975,765 - Okojie May 22, 2 | 2018-05-22 |
Interconnection of semiconductor devices in extreme environment microelectronic integrated circuit chips Grant 9,978,686 - Spry , et al. May 22, 2 | 2018-05-22 |
Method and system for predicting rocket nozzle deformation during engine start-up and shut-down transients Grant 9,977,848 - Wang May 22, 2 | 2018-05-22 |
RFID-enabled angular position sensing system Grant 9,970,782 - Fink , et al. May 15, 2 | 2018-05-15 |
Gas sensors with contact pads Grant 9,970,914 - Xu , et al. May 15, 2 | 2018-05-15 |
System and method for air launch from a towed aircraft Grant 9,944,410 - Budd April 17, 2 | 2018-04-17 |
System and method for an integrated satellite platform Grant 9,938,023 - Clagett , et al. April 10, 2 | 2018-04-10 |
System and method for providing a climate data persistence service Grant 9,940,329 - Schnase , et al. April 10, 2 | 2018-04-10 |
Optimized wavelength-tuned nonlinear frequency conversion using a liquid crystal clad waveguide Grant 9,933,687 - Stephen April 3, 2 | 2018-04-03 |
Spherical occulter coronagraph CubeSat Grant 9,921,099 - Davila , et al. March 20, 2 | 2018-03-20 |
Method and apparatus of implementing a magnetic shield flux sweeper Grant 9,913,414 - Sadleir March 6, 2 | 2018-03-06 |
Heterogeneous spacecraft networks Grant 9,906,291 - Nakamura , et al. February 27, 2 | 2018-02-27 |
Genetic regulation of bone and cells by electromagnetic stimulation fields and uses thereof Grant 9,896,681 - Goodwin , et al. February 20, 2 | 2018-02-20 |
Solid state ultracapacitor Grant 9,881,747 - Rolin , et al. January 30, 2 | 2018-01-30 |
Pretreatment solution for water recovery systems Grant 9,878,928 - Muirhead January 30, 2 | 2018-01-30 |
Grasp assist device with automatic mode control logic Grant 9,878,452 - Davis , et al. January 30, 2 | 2018-01-30 |
Intelligent data transfer for multiple sensor networks over a broad temperature range Grant 9,872,293 - Krasowski January 16, 2 | 2018-01-16 |
Magnetostrictive alternator Grant 9,871,186 - Dyson, Jr. , et al. January 16, 2 | 2018-01-16 |
Formation flight system extremum-seeking-control using blended performance parameters Grant 9,864,380 - Ryan January 9, 2 | 2018-01-09 |
Heliostat with stowing and wind survival capabilities Grant 9,863,666 - Nesmith January 9, 2 | 2018-01-09 |
Process for fabrication of superconducting vias for electrical connection to groundplane in cryogenic detectors Grant 9,865,795 - Denis January 9, 2 | 2018-01-09 |
Detection of mental state and reduction of artifacts using functional near infrared spectroscopy (FNIRS) Grant 9,848,812 - Harrivel , et al. December 26, 2 | 2017-12-26 |
Magnetically retained relief valve Grant 9,845,898 - Johnson , et al. December 19, 2 | 2017-12-19 |
Reconfigurable sensor monitoring system Grant 9,825,641 - Alhorn , et al. November 21, 2 | 2017-11-21 |
Wireless nanoionic-based radio frequency switch Grant 9,819,475 - Nessel , et al. November 14, 2 | 2017-11-14 |
Systems and methods for RFID-enabled pressure sensing apparatus Grant 9,785,877 - Fink , et al. October 10, 2 | 2017-10-10 |
Methods and systems for measurement and estimation of normalized contrast in infrared thermography Grant 9,787,913 - Koshti October 10, 2 | 2017-10-10 |
Generation of high pressure oxygen via electrochemical pumping in a multi-stage electrolysis stack Grant 9,776,130 - Setlock , et al. October 3, 2 | 2017-10-03 |
Pulse generator Grant 9,772,344 - Greer September 26, 2 | 2017-09-26 |
Systems and methods for designing and fabricating contact-free support structures for overhang geometries of parts in powder-bed metal additive manufacturing Grant 9,767,224 - Chou , et al. September 19, 2 | 2017-09-19 |