John E. Mercer — 274 Patents at Merlin Technology

John E. Mercer has been granted 274 US patents while listed as an inventor at Merlin Technology. The first was granted in 1982 and the most recent in December 2025. John E. Mercer ranks #1,617 of 4,157,543 US inventors in our database (top 0.04%). Patent records list John E. Mercer in Gig Harbor, WA, US.

Issued Patents All Time

Showing 1–25 of 274 patents

Patent #	Title	Co-Inventors	Date
12509223	Advanced emergency collective actuator with friction pull-off and method for a helicopter	Mark Marvin, Derek Paul Vetter	2025-12-30
12241909	Mechanical shock resistant MEMS accelerometer arrangement, associated method, apparatus and system	Albert W. Chau, Scott Phillips	2025-03-04
12188346	Advanced underground homing system, apparatus and method	Guenter W. Brune, Albert W. Chau	2025-01-07
11971428	Mechanical shock resistant MEMS accelerometer arrangement, associated method, apparatus and system	Albert W. Chau, Scott Phillips	2024-04-30
11906685	Distinguishing false signals in cable locating	Albert W. Chau	2024-02-20
11820498	Advanced emergency collective actuator with friction pull-off and method for a helicopter	Mark Marvin, Derek Paul Vetter	2023-11-21
11709179	Mechanical shock resistant MEMS accelerometer arrangement, associated method, apparatus and system	Albert W. Chau, Scott Phillips	2023-07-25
11598198	Advanced underground homing system, apparatus and method	Guenter W. Brune, Albert W. Chau	2023-03-07
11591078	Rotorcraft autopilot and methods	Nicholas Albion, Mark Bartel, Marc Feifel, Mark Marvin	2023-02-28
11555352	Multimode steering and homing system, method and apparatus	Timothy C. Shaw, Albert W. Chau	2023-01-17
11480446	Tracking positions of personnel, vehicles, and inanimate objects	Rudolf Zeller, Guenter W. Brune, Albert W. Chau	2022-10-25
11230921	Communication protocol in directional drilling system, apparatus and method utilizing multi-bit data symbol transmission	Rudolf Zeller, Gary Garrabrant, Timothy Bayliss	2022-01-25
11215635	Mechanical shock resistant MEMS accelerometer arrangement, associated method, apparatus and system	Albert W. Chau, Scott Phillips	2022-01-04
11118442	Boring tool tracking fundamentally based on drill string length, pitch and roll	James W. Burrows, Guenter W. Brune	2021-09-14
11035218	Advanced steering tool system, method and apparatus	Guenter W. Brune, Albert W. Chau, Rudolf Zeller	2021-06-15
11002623	Tension monitoring arrangement and method	Albert W. Chau, Rudolf Zeller, Charles Yu Yat Tsang	2021-05-11
10954719	Multimode steering and homing system, method and apparatus	Tim Shaw, Albert W. Chau	2021-03-23
10926872	Rotorcraft autopilot and methods	Nicholas Albion, Mark Bartel, Marc Feifel, Mark Marvin	2021-02-23
10919622	Advanced emergency collective actuator with friction pull-off and method for a helicopter	Mark Marvin, Derek Paul Vetter	2021-02-16
10901106	Distinguishing false signals in cable locating	Albert W. Chau	2021-01-26
10895145	Advanced underground homing system, apparatus and method	Guenter W. Brune, Albert W. Chau	2021-01-19
10859136	Drive mechanism and method	—	2020-12-08
10858095	Emergency collective actuator and method for a helicopter	Mark Marvin	2020-12-08
10843796	Rotorcraft advanced autopilot control arrangement and methods	Mark Marvin, Marc Feifel, Nicholas Albion	2020-11-24
10809099	Tracking positions of personnel, vehicles, and inanimate objects	Rudolf Zeller, Guenter W. Brune, Albert W. Chau	2020-10-20

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John E. Mercer — 274 Patents

Issued Patents All Time

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