Akkerman; Neil H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Akkerman; Neil H..The latest application filed is for "hgh efficiency blood pump".
Company Profile
7.62.18
- Akkerman; Neil H. - Houston TX
- Akkerman; Neil H. - Kingwood TX
- Akkerman; Neil H. - New Orleans LA
Patent Activity
| Patent | Date |
|---|---|
| Top-down fracturing system Grant 11,085,278 - Akkerman , et al. August 10, 2 | 2021-08-10 |
| Unlocking and unblocking tool for disconnect assembly for cylindrical members Grant 11,072,985 - Akkerman , et al. July 27, 2 | 2021-07-27 |
| Cardiac support systems and methods for chronic use Grant 11,065,437 - Aber , et al. July 20, 2 | 2021-07-20 |
| Top-down fracturing systems and methods Grant 10,975,661 - Akkerman April 13, 2 | 2021-04-13 |
| Hgh Efficiency Blood Pump App 20200261634 - Akkerman; Neil H. ; et al. | 2020-08-20 |
| Top-down fracturing system Grant 10,731,445 - Akkerman , et al. | 2020-08-04 |
| High efficiency blood pump Grant 10,568,998 - Akkerman , et al. Feb | 2020-02-25 |
| Cardiac Support Systems And Methods For Chronic Use App 20200046889 - Aber; Greg S. ; et al. | 2020-02-13 |
| Cardiac support systems and methods for chronic use Grant 10,449,277 - Aber , et al. Oc | 2019-10-22 |
| Top-down Fracturing System App 20190271215 - Akkerman; Neil H. ; et al. | 2019-09-05 |
| Top-down Fracturing Systems And Methods App 20180291708 - AKKERMAN; Neil H. | 2018-10-11 |
| Disconnect Assembly For Cylindrical Members App 20170081932 - AKKERMAN; Neil H. ; et al. | 2017-03-23 |
| Top-down Fracturing System App 20170030168 - AKKERMAN; Neil H. ; et al. | 2017-02-02 |
| Disconnect assembly for cylindrical members Grant 9,512,683 - Akkerman , et al. December 6, 2 | 2016-12-06 |
| High Efficiency Blood Pump App 20160346450 - Akkerman; Neil H. ; et al. | 2016-12-01 |
| High efficiency blood pump Grant 9,415,147 - Akkerman , et al. August 16, 2 | 2016-08-16 |
| Cardiac Support Systems And Methods For Chronic Use App 20160193397 - Aber; Greg S. ; et al. | 2016-07-07 |
| High Efficiency Blood Pump App 20160101224 - Akkerman; Neil H. ; et al. | 2016-04-14 |
| High efficiency blood pump Grant 9,227,001 - Akkerman , et al. January 5, 2 | 2016-01-05 |
| High Efficiency Blood Pump App 20140200664 - Akkerman; Neil H. ; et al. | 2014-07-17 |
| Cardiac Support Systems And Methods For Chronic Use App 20130345493 - Aber; Greg S. ; et al. | 2013-12-26 |
| Cardiac support systems and methods for chronic use Grant 8,551,163 - Aber , et al. October 8, 2 | 2013-10-08 |
| Sequential gear shifting mechanism Grant 8,393,241 - Akkerman , et al. March 12, 2 | 2013-03-12 |
| Disconnect Assembly For Cylindrical Members App 20120152521 - AKKERMAN; NEIL H. ; et al. | 2012-06-21 |
| Cardiac Support Systems And Methods For Chronic Use App 20120150291 - Aber; Greg S. ; et al. | 2012-06-14 |
| High Efficiency Blood Pump App 20120089225 - Akkerman; Neil H. ; et al. | 2012-04-12 |
| Sequential Gear Shifting Mechanism App 20100126295 - AKKERMAN; Neil H. ; et al. | 2010-05-27 |
| System for mounting an engine to a frame Grant 7,353,697 - Akkerman , et al. April 8, 2 | 2008-04-08 |
| System for mounting an engine to a frame App 20050223786 - Akkerman, Neil H. ; et al. | 2005-10-13 |
| Methods and apparatus for perforating and treating production zones and otherwise performing related activities within a well Grant 5,513,703 - Mills , et al. May 7, 1 | 1996-05-07 |
| Well apparatus including a tool for use in shifting a sleeve within a well conduit Grant 5,413,173 - Mills , et al. May 9, 1 | 1995-05-09 |
| Surface controlled, subsurface tubing safety valve Grant 5,411,096 - Akkerman May 2, 1 | 1995-05-02 |
| Rorque limiting device Grant 5,295,907 - Akkerman * March 22, 1 | 1994-03-22 |
| Fail safe valve actuator Grant 5,195,721 - Akkerman March 23, 1 | 1993-03-23 |
| Subsurface tubing safety valve Grant 5,176,220 - Akkerman January 5, 1 | 1993-01-05 |
| Hydraulically operated permanent type well packer assembly Grant 5,095,978 - Akkerman , et al. March 17, 1 | 1992-03-17 |
| Well installation in which electrical current is supplied for a source at the wellhead to an electrically responsive device located a substantial distance below the wellhead Grant 4,852,648 - Akkerman , et al. August 1, 1 | 1989-08-01 |
| Tool for lowering into centered position within a well bore Grant 4,776,397 - Akkerman October 11, 1 | 1988-10-11 |
| Valves Grant 4,768,594 - Akkerman September 6, 1 | 1988-09-06 |
| Multiple string well packer Grant 4,745,971 - Akkerman May 24, 1 | 1988-05-24 |
| Fail safe gate valves and actuators therefor Grant 4,691,893 - Akkerman , et al. September 8, 1 | 1987-09-08 |
| Well apparatus Grant 4,641,707 - Akkerman February 10, 1 | 1987-02-10 |
| Apparatus in which an annular ring is carried within a groove about one member for slidably engaging the cylindrical surface of another member Grant 4,632,406 - Akkerman December 30, 1 | 1986-12-30 |
| Well apparatus Grant 4,605,064 - Akkerman August 12, 1 | 1986-08-12 |
| Wire line running and/or pulling tool Grant 4,591,197 - Akkerman May 27, 1 | 1986-05-27 |
| Method and removable auxiliary apparatus for permanently locking open a well flow control device Grant 4,542,792 - Akkerman September 24, 1 | 1985-09-24 |
| Flow controlling apparatus Grant 4,540,047 - Akkerman September 10, 1 | 1985-09-10 |
| Well apparatus Grant 4,522,259 - Akkerman June 11, 1 | 1985-06-11 |
| Valves and valve actuators Grant 4,519,575 - Akkerman , et al. May 28, 1 | 1985-05-28 |
| Well packers Grant 4,505,332 - Mills , et al. March 19, 1 | 1985-03-19 |
| Locking apparatus for use in a subterranean well Grant 4,488,596 - Akkerman December 18, 1 | 1984-12-18 |
| Well tool having a slip assembly Grant 4,488,595 - Akkerman December 18, 1 | 1984-12-18 |
| Valve for subterranean wells Grant 4,475,599 - Akkerman October 9, 1 | 1984-10-09 |
| Well slip assemblies Grant 4,440,223 - Akkerman April 3, 1 | 1984-04-03 |
| Flow controlling apparatus Grant 4,434,847 - Vazquez , et al. March 6, 1 | 1984-03-06 |
| Cyclic annulus pressure controlled oil well flow valve and method Grant 4,421,174 - McStravick , et al. December 20, 1 | 1983-12-20 |
| Subsurface well apparatus Grant 4,407,363 - Akkerman October 4, 1 | 1983-10-04 |
| Method and apparatus for effecting sealed connection to upstanding irregular end of tubing positioned in a well Grant 4,396,066 - Akkerman , et al. August 2, 1 | 1983-08-02 |
| Well packers and slip assemblies for use therewith Grant 4,393,929 - Akkerman July 19, 1 | 1983-07-19 |
| Valve actuator having a continuously charged accumulator Grant 4,349,175 - Akkerman , et al. September 14, 1 | 1982-09-14 |
| Flow controlling apparatus Grant 4,325,431 - Akkerman April 20, 1 | 1982-04-20 |
| Actuator for converting linear to rotary motion Grant 4,225,110 - Akkerman , et al. September 30, 1 | 1980-09-30 |
| Spool valve and pilot interface assembly Grant 4,188,011 - Akkerman February 12, 1 | 1980-02-12 |
| Valve actuator and pilot assembly therefor Grant 4,187,870 - Akkerman February 12, 1 | 1980-02-12 |
| Valve actuator and pilot assembly therefor Grant 4,157,167 - Akkerman June 5, 1 | 1979-06-05 |
| Quick disengaging valve actuator Grant 4,135,547 - Akkerman , et al. January 23, 1 | 1979-01-23 |
| Valve and lubricator apparatus Grant 4,130,166 - Akkerman , et al. December 19, 1 | 1978-12-19 |
| Safety valve and ball type equalizing valve Grant 4,103,744 - Akkerman August 1, 1 | 1978-08-01 |
| Valve and lubricator apparatus Grant 4,062,406 - Akkerman , et al. December 13, 1 | 1977-12-13 |
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