St. Helens, United Kingdom

Pilkington Plc


USPTO Granted Patents = 107

% Expired Patents = 12.1


Trademarks = 17

Forward Citations = 1,870

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119 inventors (with patents filed for the assignee):

goldMedal Karikath Sukumar Varma (8 out of 12 patents)

silverMedal Martin Rickwood (8 out of 8 patents)

bronzeMedal David William Holden (7 out of 11 patents)

4.  John Richard Holland (6 out of 10 patents)

5.  Stephen Roland Day (5 out of 15 patents)

6.  Kenneth Melvin Fyles (5 out of 8 patents)

7.  Ronald D Goodman (5 out of 21 patents)

8.  Kevin David Sanderson (5 out of 17 patents)

9.  Sean D Marsden (5 out of 5 patents)

10.  Peter James Whitfield (5 out of 5 patents)

11.  David Alan Strickler (4 out of 39 patents)

12.  Michel J Soubeyrand (4 out of 16 patents)

13.  Ashley Carl Torr (4 out of 11 patents)

14.  John D Hepworth (4 out of 4 patents)

15.  Leslie T Clarke (4 out of 4 patents)


Core Competencies:
Fire Resistant Glazing
Solar Control Coating
Laminated Glass
Tempered Glass
Coated Substrates
Electrochromic Devices
Glass Composition
Photochromic Compounds
Glazing Inspection
Sealed Glazing Units
Optical Quality
Glass Melting

107 patents:

Company Overview
Pilkington Plc, headquartered in St. Helens, UK, is a leader in glazing technology, specializing in the development and manufacture of advanced glass products. The company focuses on innovative solutions such as fire-resistant glazing, solar control coatings, and laminated glass, catering to diverse applications in construction and automotive sectors. Pilkington is also engaged in research on electrochromic devices and photochromic compounds, enhancing the functionality and performance of glass in various environments.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Pilkington Plc USPTO Patent Assignee Logo
107 Patents

#1 in St. Helens

#166 in United Kingdom

#7,336 in the World

St. Helens, GB
St. Helens, United Kingdom
Forward Citations = 1,870

119 inventors:

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

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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