Inventor
James Walker
Inventor
Redondo Beach, CA, US
Overview
12→
Patents
1979–2021
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Sprimary
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
LOC2610%
Y10TTechnical subjects covered by former us classification10%
F16HGearing7%
F16JPistons7%
F16KValves7%
B64DEquipment for fitting in or to aircraft3%
B64FGround or aircraft-carrier-deck installations specially adapted for use in connection with aircraft3%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers3%
F16LPipes3%
PatentTitleYear
D0932065Jar2021D0931504Jar2021D0931503Jar202110,960,988Delivery landing pads for unmanned aerial vehicles (UAVs)202110,591,035Dual clutch transmission20209,382,986'Dual clutch transmission'2016D0476867'Multi-function universal ratchet wrench'20034,778,070'Tamper-evident bottle cap cover'19884,424,716'Hydraulic flowmeter'19844,291,890'Valve seal with O-ring and backup ring'19814,172,470'Soft seat valve'19794,150,836'Backed boss seal fitting'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1984Patents assigned to MC DONNELL DOUGLAS CORP (4)· patent assignee history
1979–1984Based in Redondo Beach, CA, US· patent location history
2003Based in McNeil, AR, US· patent location history
2016Patents assigned to EATON CORP (1)· patent assignee history
2016–2020Based in Kalamazoo, MI, US· patent location history
2020Patents assigned to EATON CUMMINS AUTOMATED TRANS TECH LLC (1)· patent assignee history
2021Patents assigned to JOHNSON & SON INC S C (3)· patent assignee history
2021Patents assigned to BOEING CO (1)· patent assignee history
2021Based in Racine, WI, US· patent location history
2021Based in North Charleston, SC, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MC DONNELL DOUGLAS CORP | 4 | 1979–1984 |
| JOHNSON & SON INC S C | 3 | 2021 |
| BOEING CO | 1 | 2021 |
| EATON CORP | 1 | 2016 |
| EATON CUMMINS AUTOMATED TRANS TECH LLC | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Redondo Beach, California, US | 4 | 1979–1984 |
| Racine, WI, US | 3 | 2021 |
| Kalamazoo, MI, US | 2 | 2016–2020 |
| North Charleston, SC, US | 1 | 2021 |
| McNeil, AR, US | 1 | 2003 |