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For the Inventor, By the Inventor

Yeovil, United Kingdom

Westland Plc


USPTO Granted Patents = 24

Forward Citations = 361

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33 inventors (with patents filed for the assignee):

goldMedal Kenneth Watson (4 out of 14 patents)

silverMedal James W Schofield (2 out of 2 patents)

bronzeMedal James E Saunders (2 out of 4 patents)

4.  Frederick J Perry (1 out of 9 patents)

5.  Roy L Cowdery (1 out of 1 patent)

6.  Peter J Rowland (1 out of 4 patents)

7.  J Wayne Hook (1 out of 1 patent)

8.  Martin E Davis (1 out of 1 patent)

9.  Stephen P King (1 out of 3 patents)

10.  Alfred C Martin (1 out of 4 patents)

11.  Harry Cocking (1 out of 1 patent)

12.  Brian A Shotter (1 out of 1 patent)

13.  Martin A Deady (1 out of 1 patent)

14.  Roy Sanders (1 out of 1 patent)

15.  Michael J Redstone (1 out of 1 patent)


24 patents:

1. 5215764 - Extruder mixing screw (1993-06-01),
2. 5050477 - Helicopter including missile transporting and launching apparatus (1991-09-24),
3. 4819182 - Method and apparatus for reducing vibration of a helicopter fuselage (1989-04-04),
4. 4785710 - Helicopter (1988-11-22),
5. 4776560 - Fuel flow control valve (1988-10-11),
6. 4774892 - Article restraining means for pallets (1988-10-04),
7. 4714409 - Helicopter rotor (1987-12-22),
8. 4668169 - Helicopter rotor blade (1987-05-26),
9. 4615413 - Recirculating lubricating system with monitor filter unit (1986-10-07),
10. 4549850 - Helicopter rotors (1985-10-29),
11. 4531695 - Composite helicopter fuselage (1985-07-30),
12. 4525010 - Aircraft seat (1985-06-25),
13. 4509898 - Helicopter rotors (1985-04-09),
14. 4507341 - Carbon fibre structures (1985-03-26),
15. 4496284 - Helicopter rotors (1985-01-29),
Company Overview
Westland Plc is a prominent player in the UK manufacturing sector, specializing in the development and production of innovative products for the agricultural and horticultural industries. The company focuses on enhancing plant health and growth through a range of fertilizers, soil conditioners, and gardening products. With a commitment to sustainability, Westland integrates advanced research and technology into its offerings, ensuring high-quality solutions that meet the evolving needs of consumers and professionals alike.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

24 Patents

#3 in Yeovil

#738 in United Kingdom

#26,660 in the World

Yeovil, GB
Yeovil, United Kingdom

Westland Plc

Forward Citations = 361

33 inventors:

goldMedal Kenneth Watson (4 out of 14 patents)

silverMedal James W Schofield (2 out of 2 patents)

bronzeMedal James E Saunders (2 out of 4 patents)

4.  Frederick J Perry (1 out of 9 patents)

5.  Roy L Cowdery (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Westland Plc. Retrieved from https://idiyas.com/company/westland

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]
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