LEON; Robert L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for LEON; Robert L..The latest application filed is for "helmet".
Company Profile
0.32.14
- LEON; Robert L. - Ambler PA
- Leon; Robert L. - Maple Glen PA
- Leon; Robert L. - Roslyn PA
Patent Activity
| Patent | Date |
|---|---|
| Helmet App 20210137201 - LEON; Robert L. | 2021-05-13 |
| Chin strap assembly for a protective helmet Grant 10,869,518 - Leon December 22, 2 | 2020-12-22 |
| Helmet Grant 10,869,520 - Leon December 22, 2 | 2020-12-22 |
| Helmet system Grant 10,130,133 - Leon November 20, 2 | 2018-11-20 |
| Helmet system Grant 9,560,892 - Leon February 7, 2 | 2017-02-07 |
| Helmet system Grant 9,554,608 - Leon January 31, 2 | 2017-01-31 |
| Helmet system Grant 9,468,248 - Leon October 18, 2 | 2016-10-18 |
| Helmet system Grant 9,462,840 - Leon October 11, 2 | 2016-10-11 |
| Helmet System App 20160044984 - LEON; Robert L. | 2016-02-18 |
| Helmet System App 20160044982 - LEON; Robert L. | 2016-02-18 |
| Helmet System App 20160037852 - LEON; Robert L. | 2016-02-11 |
| Helmet System App 20150327619 - LEON; Robert L. | 2015-11-19 |
| Helmet System App 20150327618 - LEON; Robert L. | 2015-11-19 |
| Helmet system Grant 9,119,433 - Leon September 1, 2 | 2015-09-01 |
| Helmet System App 20150216249 - LEON; Robert L. | 2015-08-06 |
| Helmet system Grant 9,032,558 - Leon May 19, 2 | 2015-05-19 |
| Helmet System App 20130232667 - LEON; Robert L. | 2013-09-12 |
| Helmet System App 20120297526 - LEON; Robert L. | 2012-11-29 |
| Opposed Spring-Loaded Anchor Hook Supporting Device App 20100207410 - LEON; Robert L. | 2010-08-19 |
| Reduced Profile Multiple Gas Cylinder Alternative App 20100024822 - Leon; Robert L. | 2010-02-04 |
| Self Powered Self-hoisting Elevator Apparatus App 20080083588 - Leon; Robert L. | 2008-04-10 |
| Fast reacting thermal clutch Grant 7,178,651 - Leon February 20, 2 | 2007-02-20 |
| Apparatus for exterior evacuation from buildings Grant 6,962,235 - Leon November 8, 2 | 2005-11-08 |
| Fast reacting thermal clutch App 20050241906 - Leon, Robert L. | 2005-11-03 |
| Apparatus for exterior evacuation from buildings App 20040168855 - Leon, Robert L. | 2004-09-02 |
| Detecting seal leaks in installed valves Grant 6,289,723 - Leon September 18, 2 | 2001-09-18 |
| Method and apparatus for on-line detection of leaky emergency shut down or other valves Grant 6,134,949 - Leon , et al. October 24, 2 | 2000-10-24 |
| Method and apparatus for on-line detection of leaky emergency shut down or other valves Grant 6,128,946 - Leon , et al. October 10, 2 | 2000-10-10 |
| Method for determining position of an internal, movable conductive element Grant 5,523,682 - Leon * June 4, 1 | 1996-06-04 |
| Method and apparatus for analysis of polyphase electrical motor systems Grant 5,519,300 - Leon , et al. May 21, 1 | 1996-05-21 |
| Method and apparatus for isolating and identifying periodic Doppler signals in a turbine Grant 5,471,880 - Lang , et al. December 5, 1 | 1995-12-05 |
| Method for remotely approximating the stem thurst of motor operated valves Grant 5,432,436 - Leon , et al. July 11, 1 | 1995-07-11 |
| Method for remotely determining operability of motor operated valves Grant 5,396,167 - Leon March 7, 1 | 1995-03-07 |
| Operating turbine resonant blade monitor Grant 5,152,172 - Leon , et al. October 6, 1 | 1992-10-06 |
| System for determining position of an internal, movable conductive element Grant 5,140,263 - Leon August 18, 1 | 1992-08-18 |
| A.C. electromagnetic system for determining position of an encased movable electrically conductive element Grant 5,086,273 - Leon February 4, 1 | 1992-02-04 |
| Controller for controlling the operation of a motor operated valve combination Grant 5,029,597 - Leon July 9, 1 | 1991-07-09 |
| Actuator assembly with permanently mounted monitoring system Grant 5,020,773 - Tuft , et al. June 4, 1 | 1991-06-04 |
| Operating turbine resonant blade monitor Grant 4,996,880 - Leon , et al. March 5, 1 | 1991-03-05 |
| Monitor for shaft vibration in an operating turbine Grant 4,995,257 - Leon February 26, 1 | 1991-02-26 |
| Devices and methods for determining axial loads Grant 4,911,004 - Leon March 27, 1 | 1990-03-27 |
| Thrust actuated control for motor operated valve Grant 4,898,362 - Leon February 6, 1 | 1990-02-06 |
| System for evaluating the condition and performance of a valve and valve operator combination Grant 4,879,901 - Leon November 14, 1 | 1989-11-14 |
| Flat, multiconductor cable coil device for in situ detecting of axial motion of a generally cylindrical member Grant 4,879,511 - Leon November 7, 1 | 1989-11-07 |
| Method and apparatus for detecting and identifying excessively vibrating blades of a turbomachine Grant 4,422,333 - Leon December 27, 1 | 1983-12-27 |
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