Business registries · firm from USPTO records
Hartwell Corporation
- Place
- 900 South Richfield Road, Placentia, CA
- Entity type
- Corporation
- State of organization
- CA (as the owner states it in trademark filings)
- Patents
- 25 granted 1979-04-11 to 2025-08-19
- Trademarks
- 7, 7 live
- Record
- EXACT high confidence: identical full name and state
- State business registration
- HARTWELL CORPORATION EXACT high confidence: identical full name and state
- Source
- USPTO: PVGPATDIS and TRCFECO2 (PVGPATDIS file of 2026-04-10, TRCFECO2 file of 2024-03-27); patent assignee and trademark owner with the same name (legal endings aside) and place
Patents
| Patent | Title | Granted | Source |
|---|---|---|---|
| US D1088806 | Aircraft latch lock key | 2025-08-19 | PVGPATDIS, file of 2026-04-10 |
| US 12054965 | Clevis-sensing adjustable hook latch | 2024-08-06 | PVGPATDIS, file of 2026-04-10 |
| US 11866189 | Latching system with movable anti-shear mechanism | 2024-01-09 | PVGPATDIS, file of 2026-04-10 |
| US 11773622 | Key, lock, and latch assembly | 2023-10-03 | PVGPATDIS, file of 2026-04-10 |
| US D973463 | Aircraft latch lock key head | 2022-12-27 | PVGPATDIS, file of 2026-04-10 |
| US 11530557 | Dual switch rotary latch | 2022-12-20 | PVGPATDIS, file of 2026-04-10 |
| US 11421459 | Four-bar linkage hinge | 2022-08-23 | PVGPATDIS, file of 2026-04-10 |
| US 11408210 | Pin latch with adjustable pre-load | 2022-08-09 | PVGPATDIS, file of 2026-04-10 |
| US 11358701 | Door assembly with double-acting hinge | 2022-06-14 | PVGPATDIS, file of 2026-04-10 |
| US 11193305 | Lock apparatus | 2021-12-07 | PVGPATDIS, file of 2026-04-10 |
| US 11053717 | Hold open rod assembly | 2021-07-06 | PVGPATDIS, file of 2026-04-10 |
| US 11002046 | High offset hook latch | 2021-05-11 | PVGPATDIS, file of 2026-04-10 |
| US 10767404 | Four-bar linkage hinge | 2020-09-08 | PVGPATDIS, file of 2026-04-10 |
| US 10670063 | Hold open rod locking mechanism | 2020-06-02 | PVGPATDIS, file of 2026-04-10 |
| US 10443279 | Single link hook latch | 2019-10-15 | PVGPATDIS, file of 2026-04-10 |
| US 10392830 | Clevis sensing lock | 2019-08-27 | PVGPATDIS, file of 2026-04-10 |
| US 9650807 | Tool operated channel latch | 2017-05-16 | PVGPATDIS, file of 2026-04-10 |
| US 9580945 | Hold open rod locking sleeve | 2017-02-28 | PVGPATDIS, file of 2026-04-10 |
| US 9500014 | Locking hinge with spherical bearing assemblies | 2016-11-22 | PVGPATDIS, file of 2026-04-10 |
| US 9169678 | Pressure relief latch mechanism | 2015-10-27 | PVGPATDIS, file of 2026-04-10 |
| US 8925979 | Command latch and pin latch system | 2015-01-06 | PVGPATDIS, file of 2026-04-10 |
| US 8919829 | Pressure relief latch, high repeatability | 2014-12-30 | PVGPATDIS, file of 2026-04-10 |
| US 8544900 | Tool operated channel latch | 2013-10-01 | PVGPATDIS, file of 2026-04-10 |
| US 8016327 | Bifurcated latching system | 2011-09-13 | PVGPATDIS, file of 2026-04-10 |
| US 7882941 | Viscous shear damping strut assembly | 2011-02-08 | PVGPATDIS, file of 2026-04-10 |
Trademarks
| Mark | Serial | Filed | Status | Classes | Source |
|---|---|---|---|---|---|
| XLP | 78184801 | 2002-11-13 | Registration cancelled | 006 | TRTYRAP, file of 2026-04-03 |
| HARTWELL | 76221734 | 2001-03-08 | Registered and renewed | 006, 019 | TRTYRAP, file of 2026-04-03 |
| HC | 76221733 | 2001-03-08 | Registered and renewed | 006, 020 | TRCFECO2, file of 2024-03-27 |
| HASCO | 76139439 | 2000-10-02 | Registered and renewed | 006, 007, 009, 020 | TRCFECO2, file of 2024-03-27 |
| HC | 74233909 | 1991-12-30 | Registered and renewed | 006 | TRCFECO2, file of 2024-03-27 |
| HARTWELL | 74227615 | 1991-12-05 | Registered and renewed | 006 | TRTYRAP, file of 2026-04-03 |
| TRIGGER LOCK | 73211143 | 1979-04-11 | Registered and renewed | 006 | TRCFECO2, file of 2024-03-27 |
Possible related entities
No other firm on file at the same street address.
Firms here are built from USPTO patent assignees (PatentsView) and trademark owners: one firm per name (legal endings aside) and state, or country outside the US. Matches to other records are by name and state: EXACT means the identical full name, FUZZY a looser match, with the confidence shown.