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For the Inventor, By the Inventor

Huddersfield, United Kingdom

Holset Engineering Company, Limited

Calculating rank
USPTO Granted Patents = 77

% Expired Patents = 5.2


Trademarks = 1

Forward Citations = 951

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60 inventors (with patents filed for the assignee):

goldMedal John Frederick Parker (11 out of 33 patents)

silverMedal Pierre Bernard French (6 out of 13 patents)

bronzeMedal Peter Stuart McKean (5 out of 5 patents)

4.  James Alexander McEwen (4 out of 15 patents)

5.  Bahram Nikpour (4 out of 10 patents)

6.  Philip C Franklin (4 out of 4 patents)

7.  Nathan R Ritchie (4 out of 6 patents)

8.  David T Szczupak (4 out of 4 patents)

9.  Andrew Paul Day (3 out of 9 patents)

10.  James A McEwan (3 out of 3 patents)

11.  Kenneth Ball (3 out of 3 patents)

12.  Anthony Billington (3 out of 3 patents)

13.  Brian E Walsham (3 out of 4 patents)

14.  Stephen E Garrett (3 out of 18 patents)

15.  Howard S Atkin (3 out of 3 patents)


Core Competencies:
Turbocharger
Variable Geometry Turbine
Compressor
Wastegate
Exhaust Brake
Electric Motor
Centrifugal
Fluid Couplings
Control System
Bearing System
Torsional Vibration Damper
Sealing Assembly

77 patents:

1. 7823385 - Turbocharger with wastegate (2010-11-02),
2. 7686586 - Compressor (2010-03-30),
3. 7677040 - Turbocharger with wastegate (2010-03-16),
4. 7628580 - Variable geometry turbine (2009-12-08),
5. 7475540 - Variable geometry turbine (2009-01-13),
6. 7461629 - Exhaust brake control system (2008-12-09),
7. 7296409 - Electric motor assisted turbocharger (2007-11-20),
8. 7229243 - Compressor (2007-06-12),
9. 7210295 - Compressor with secondary boost air outlet passage (2007-05-01),
10. 7165401 - Turbocharger with wastegate (2007-01-23),
11. 7140849 - Variable geometry turbine (2006-11-28),
12. 7108481 - Variable geometry turbine (2006-09-19),
13. 7086842 - Turbocharger (2006-08-08),
14. 7083379 - Compressor (2006-08-01),
15. 7014421 - Compressor (2006-03-21),
Company Overview
Holset Engineering Company, Limited, based in Huddersfield, UK, specializes in advanced turbocharger technology. The company is recognized for its innovative solutions in turbocharging systems, including variable geometry turbines, compressors, and wastegate technologies. Holset's expertise extends to electric motors and fluid couplings, contributing to enhanced engine performance and efficiency. With a strong focus on automotive engineering, Holset plays a pivotal role in developing technologies that meet the demands of modern transportation and emissions standards.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

77 Patents

#1 in Huddersfield

#240 in United Kingdom

#9,777 in the World

Huddersfield, GB
Huddersfield, United Kingdom

Holset Engineering Company, Limited

Forward Citations = 951

60 inventors:

goldMedal John Frederick Parker (11 out of 33 patents)

silverMedal Pierre Bernard French (6 out of 13 patents)

bronzeMedal Peter Stuart McKean (5 out of 5 patents)

4.  James Alexander McEwen (4 out of 15 patents)

5.  Bahram Nikpour (4 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Holset Engineering Company, Limited. Retrieved from https://idiyas.com/company/holset-engineering-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]
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