For the Inventor, By the Inventor

Enter assignee name

Cleveland, OH, United States of America

The Weatherhead Company

USPTO Granted Patents = 29

Forward Citations = 435

Loading Chart...

Loading Chart...

23 inventors (with patents filed for the assignee):

Edward S Orzel (6 out of 12 patents)

Hiralal V Patel (4 out of 4 patents)

Louis B Courtot (3 out of 4 patents)

4. Robert E Kozulla (2 out of 2 patents)

5. Richard G Thrush (2 out of 2 patents)

6. James P Baker (2 out of 2 patents)

7. Irving G Frank (2 out of 2 patents)

8. Richard C Acker (1 out of 9 patents)

9. Richard J Silagy (1 out of 9 patents)

10. Paul J Miller (1 out of 1 patent)

11. Harold R Daugherty (1 out of 1 patent)

12. George W Kardos (1 out of 1 patent)

13. Frederick D Keady (1 out of 1 patent)

14. Barry R Pollock (1 out of 1 patent)

15. Luis Moreiras (1 out of 1 patent)

Core Competencies:

Quick Connect Coupling

Brake Booster

Centrifugal Separator

Crimping Machine

Tilt Responsive Valve

Exhaust Brake Valve

Hydraulic Circuit

Blend Back Proportioning Valve

Draincock

Inertia Load Sensing

Vent Check Valve

Hose Coupling

29 patents: Sort by Forward Citations

1. 4191408 - Automotive quick connect tube coupling (1980-03-04),

2. 4118970 - Crimping diameter adjusting valve (1978-10-10),

3. 4107048 - Turbulence amplifier baffle (1978-08-15),

4. 4106689 - Disposable centrifugal separator (1978-08-15),

5. 4087972 - Brake booster with spring type ratio changer (1978-05-09),

6. 4063760 - Quick connect coupling (1977-12-20),

7. 4054156 - Exhaust brake valve (1977-10-18),

8. 4046315 - Centrifugal separator with discharge pump (1977-09-06),

9. 4034593 - Crimping machine with automatic swing open pushers (1977-07-12),

10. 4034592 - Crimping machine with automatic hinge open pushers (1977-07-12),

11. 4007665 - Brake booster with improved pedal feel characteristics (1977-02-15),

12. 4007593 - Motor vehicle open center series hydraulic circuit (1977-02-15),

13. 4006524 - Method of making a hose coupling (1977-02-08),

14. 4005724 - Tilt responsive valve (1977-02-01),

15. 3995710 - Tilt-responsive valve (1976-12-07),

Company Overview

The Weatherhead Company, based in Cleveland, OH, specializes in the design and manufacturing of high-quality hydraulic and pneumatic components. With a focus on innovation, the company develops solutions that enhance the efficiency and reliability of fluid power systems across various industries. Their expertise extends to custom engineering services, ensuring that clients receive tailored solutions to meet specific operational needs. Weatherhead is recognized for its commitment to quality and performance in the fluid power sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

29 Patents

#73 in Cleveland, OH

#511 in Ohio

#11,631 in US

#22,570 in the World

Cleveland, OH, United States of America

The Weatherhead Company

Forward Citations = 435

23 inventors:

Edward S Orzel (6 out of 12 patents)

Hiralal V Patel (4 out of 4 patents)

Louis B Courtot (3 out of 4 patents)

4. Robert E Kozulla (2 out of 2 patents)

5. Richard G Thrush (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Weatherhead Company. Retrieved from https://idiyas.com/company/weatherhead-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

Loading…