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Helens, United Kingdom

Pilkington Brothers P.l.c.

USPTO Granted Patents = 102

Trademarks = 1

Forward Citations = 1,462

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111 inventors (with patents filed for the assignee):

Raymond Peter Cross (5 out of 6 patents)

Joseph E Lewis (5 out of 6 patents)

George A Dickinson (4 out of 4 patents)

4. David R Cockram (4 out of 4 patents)

5. Donald C Wright (4 out of 4 patents)

6. Brian Marsh (4 out of 4 patents)

7. Peter Ward (4 out of 4 patents)

8. Gordon T Simpkin (4 out of 4 patents)

9. Christopher W Hall (3 out of 8 patents)

10. Peter Chesworth (3 out of 3 patents)

11. William Jackson Rhodes (3 out of 3 patents)

12. William Christie Hynd (3 out of 3 patents)

13. David Gordon Loukes (3 out of 3 patents)

14. William Ramsey Maltman (3 out of 4 patents)

15. Bernard James Kirkbride (3 out of 3 patents)

Core Competencies:

Coated Glass

Photochromic Articles

Impact-Resistant Laminate

Infrared Reflecting Coatings

Thermally Toughening Glass

Low Emissivity Coatings

Structural Glass Assemblies

Optical Glass Fibres

Alkali Resistant Glass Fibres

Glass Melting Tanks

Sealed Double Glazing Units

Curved Glass Sheets

102 patents: Sort by Forward Citations

1. 4894290 - Coated glass (1990-01-16),

2. 4872756 - Dual path interferometer with varying difference in path length (1989-10-10),

3. 4851471 - Process for manufacturing photochromic articles (1989-07-25),

4. 4825154 - Current probe (1989-04-25),

5. 4819405 - Opaque cladding panel (1989-04-11),

6. 4817347 - Window Panel (1989-04-04),

7. 4812359 - Impact-resistant laminate (1989-03-14),

8. 4786619 - Television face plates resistant to browning (1988-11-22),

9. 4764198 - Glass melting tanks and refractory material therefor (1988-08-16),

10. 4759788 - Heat strengthened glass (1988-07-26),

11. 4755204 - Manufacture of curved glass sheets (1988-07-05),

12. 4749397 - Method of coating glass (1988-06-07),

13. 4725452 - Production of infrared reflecting coatings on glass (1988-02-16),

14. 4680206 - Sealed double glazing unit (1987-07-14),

15. 4673325 - Gripper apparatus for stacking a batch of sheets (1987-06-16),

Pilkington Brothers is a global glass manufacturing company. They specialize in the production of high-quality glass products for various industries including automotive, architectural, and solar energy. With a rich history dating back to 1826, Pilkington Brothers has become a trusted name in the glass industry. They are committed to innovation, sustainability, and delivering exceptional customer service.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

102 Patents

#1 in Helens

#171 in United Kingdom

#7,420 in the World

Helens, United Kingdom

Pilkington Brothers P.l.c.

Forward Citations = 1,462

111 inventors:

Raymond Peter Cross (5 out of 6 patents)

Joseph E Lewis (5 out of 6 patents)

George A Dickinson (4 out of 4 patents)

4. David R Cockram (4 out of 4 patents)

5. Donald C Wright (4 out of 4 patents)

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