John D. Walker — 14 Patents at RTX (Raytheon)

John D. Walker has been granted 14 US patents while listed as an inventor at RTX (Raytheon). The first was granted in 1982 and the most recent in January 2024. John D. Walker ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list John D. Walker in Sudbury, MA, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11863062	Capacitor discharge circuit	Benjamin J. Snyder, Erin K. Nolan, Aline Elad	2024-01-02
10987609	Polar-linear-fresnel-concentrating solar-thermal power and desalination plant	—	2021-04-27
10219375	Hybrid circuit assembly	Peter D. Morico	2019-02-26	$28,367,000
9504157	Hybrid circuit assembly	Peter D. Morico	2016-11-22	$17,038,000
8189306	Dynamic grounding system and method	Boris S. Jacobson	2012-05-29	$4,795,000
8154891	Methods and apparatus for selectable output DC/DC converter	Peter D. Morico	2012-04-10	$4,196,000
7704083	Busbar connector	Scott R. Cheyne, Jeffrey Paquette, Dimitry Zarkh	2010-04-27	$31,301,000
6515839	Electronic discharge protection system for mixed voltage application specific circuit design	Hoang P. Nguyen	2003-02-04
6179892	Method and combination for increasing plant productivity	—	2001-01-30
5894153	Field implant for silicon controlled rectifier	Maurice M. Moll, Hoang P. Nguyen	1999-04-13
5616943	Electrostatic discharge protection system for mixed voltage application specific integrated circuit design	Hoang P. Nguyen	1997-04-01
4628428	Modulation circuit for DC-DC converter with R-C oscillator	—	1986-12-09	$8,323,000
4628429	DC-DC converter with galvanically isolated feedback voltage regulation	—	1986-12-09	$8,323,000
4322785	Transistor switching circuit	—	1982-03-30	$2,910,000

John D. Walker — 14 Patents

Issued Patents All Time

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