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For the Inventor, By the Inventor

Lighthorne, United Kingdom

Bl Technology Limited

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USPTO Granted Patents = 12

Forward Citations = 322

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17 inventors (with patents filed for the assignee):

goldMedal Peter E Marshall (4 out of 4 patents)

silverMedal Francis R Piper (4 out of 5 patents)

bronzeMedal John F Wilson (3 out of 3 patents)

4.  Peter G Sheasby (2 out of 9 patents)

5.  Anthony N Maddison (2 out of 4 patents)

6.  Patrick G Selwood (2 out of 2 patents)

7.  Peter W Stubbs (2 out of 3 patents)

8.  David J Bray (2 out of 3 patents)

9.  Malcolm Williams (1 out of 3 patents)

10.  Carmichael Mackie (1 out of 1 patent)

11.  Peter W Barbour (1 out of 1 patent)

12.  Joseph J Poole (1 out of 2 patents)

13.  Charles S King (1 out of 1 patent)

14.  Victor E Strange (1 out of 1 patent)

15.  John S Frodsham (1 out of 1 patent)


12 patents:

1. 5139888 - Structures fabricated from aluminium components and processes involved (1992-08-18),
2. 5026612 - Structures fabricated from aluminum components and processes involved in (1991-06-25),
3. 4958127 - Method and apparatus for determining the state of charge of a battery (1990-09-18),
4. 4584869 - Method and apparatus for detecting knock in a spark ignition engine (1986-04-29),
5. 4580443 - Detecting leaks (1986-04-08),
6. 4577490 - Detecting leaks (1986-03-25),
7. 4577489 - Detecting leaks (1986-03-25),
8. 4553515 - Cylinder head for spark ignition internal combustion engine (1985-11-19),
9. 4528861 - Constant mesh gearboxes (1985-07-16),
10. 4505293 - Fluid flow control valve (1985-03-19),
11. 4477986 - Method of, and apparatus for, detecting leaks (1984-10-23),
12. 4464952 - Control systems for continuously variable ratio transmissions (CVT) (1984-08-14),
Company Overview
Bl Technology Limited, based in Lighthorne, GB, specializes in advanced technology solutions with a focus on innovative engineering and product development. The company is engaged in various sectors, including automotive engineering and electronic systems, emphasizing the integration of cutting-edge technologies to enhance performance and efficiency. With a commitment to research and development, Bl Technology Limited aims to deliver high-quality solutions that meet the evolving needs of its clients in a competitive landscape.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

12 Patents

#1 in Lighthorne

#1,463 in United Kingdom

#48,334 in the World

Lighthorne, GB
Lighthorne, United Kingdom

Bl Technology Limited

Forward Citations = 322

17 inventors:

goldMedal Peter E Marshall (4 out of 4 patents)

silverMedal Francis R Piper (4 out of 5 patents)

bronzeMedal John F Wilson (3 out of 3 patents)

4.  Peter G Sheasby (2 out of 9 patents)

5.  Anthony N Maddison (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bl Technology Limited. Retrieved from https://idiyas.com/company/bl-technology

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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