logo

For the Inventor, By the Inventor

Placentia, CA, United States of America

Hartwell Corporation


USPTO Granted Patents = 120



Trademarks = 6

Forward Citations = 2,510

Loading Chart...
Loading Chart...

45 inventors (with patents filed for the assignee):

goldMedal L Richard Poe (23 out of 24 patents)

silverMedal Timothy Scott Rozema (16 out of 16 patents)

bronzeMedal John P Anderson (16 out of 17 patents)

4.  Frank T Jackson (11 out of 11 patents)

5.  Thomas J Helsley (10 out of 10 patents)

6.  Frank Thomas Jackson (7 out of 7 patents)

7.  Bo Dumitru Artin (7 out of 7 patents)

8.  John D Pratt (6 out of 48 patents)

9.  William R Bourne, Jr (6 out of 8 patents)

10.  Timothy J Clavin (6 out of 7 patents)

11.  Raymond E Harmon (6 out of 11 patents)

12.  Lane Dennis Dalan (5 out of 13 patents)

13.  Bernard W Henrichs (5 out of 5 patents)

14.  William R Bourne (5 out of 6 patents)

15.  Darrell L James (4 out of 6 patents)


Core Competencies:
Aircraft Latch Lock
Adjustable Hook Latch
Movable Anti-Shear Mechanism
Locking Hinge
Pressure Relief Latch
Motor Driven Latch
Bifurcated Latching System
Dampening Strut
Translating Handle Assembly
Overcenter Double Jaw Latch
Hold Open Rod Assembly
Clevis Sensing Lock

120 patents:

1. D1088806 - Aircraft latch lock key (2025-08-19),
2. 12054965 - Clevis-sensing adjustable hook latch (2024-08-06),
3. 11866189 - Latching system with movable anti-shear mechanism (2024-01-09),
4. 11773622 - Key, lock, and latch assembly (2023-10-03),
5. D973463 - Aircraft latch lock key head (2022-12-27),
6. 11530557 - Dual switch rotary latch (2022-12-20),
7. 11421459 - Four-bar linkage hinge (2022-08-23),
8. 11408210 - Pin latch with adjustable pre-load (2022-08-09),
9. 11358701 - Door assembly with double-acting hinge (2022-06-14),
10. 11193305 - Lock apparatus (2021-12-07),
11. 11053717 - Hold open rod assembly (2021-07-06),
12. 11002046 - High offset hook latch (2021-05-11),
13. 10767404 - Four-bar linkage hinge (2020-09-08),
14. 10670063 - Hold open rod locking mechanism (2020-06-02),
15. 10443279 - Single link hook latch (2019-10-15),
Hartwell Corporation is a leading manufacturer of high-quality industrial machinery. With a wide range of products and services, we cater to a diverse clientele across various industries, including manufacturing, construction, and logistics. Our innovative solutions and exceptional customer service have earned us a reputation for excellence in the market. Visit our website to explore our product offerings and learn more about how Hartwell Corporation can meet your industrial machinery needs.
This text is generated by artificial intelligence and may not be accurate.

logo

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

...
120 Patents

#1 in Placentia, CA

#717 in California

#3,089 in US

#6,452 in the World

...
Placentia, CA, United States of America

Hartwell Corporation

Forward Citations = 2,510

45 inventors:

goldMedal L Richard Poe (23 out of 24 patents)

silverMedal Timothy Scott Rozema (16 out of 16 patents)

bronzeMedal John P Anderson (16 out of 17 patents)

4.  Frank T Jackson (11 out of 11 patents)

5.  Thomas J Helsley (10 out of 10 patents)

Please report any incorrect information to support@idiyas.com
Loading…