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For the Inventor, By the Inventor

London, United Kingdom

Pandrol Limited


USPTO Granted Patents = 77

% Expired Patents = 5.2



Trademarks = 5

Forward Citations = 427

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83 inventors (with patents filed for the assignee):

goldMedal Stephen John Cox (25 out of 25 patents)

silverMedal Christopher Gardner (12 out of 12 patents)

bronzeMedal Frank Howard Coats (11 out of 11 patents)

4.  John Phillip Porrill (9 out of 9 patents)

5.  Brian George Conroy (7 out of 7 patents)

6.  Robert John Hamilton (6 out of 6 patents)

7.  Trevor P Brown (6 out of 6 patents)

8.  David R Seeley (5 out of 5 patents)

9.  Barry Marshall (5 out of 5 patents)

10.  Martin David Somerset (5 out of 5 patents)

11.  Lance Harkus (5 out of 5 patents)

12.  Geoffrey G Leeves (4 out of 4 patents)

13.  Roger D Larke (4 out of 4 patents)

14.  Pelle Nghi Duong (3 out of 3 patents)

15.  Heinz Ossberger (3 out of 6 patents)


Core Competencies:
Railway Rail Fastening Clip
Anchoring Assembly
Aluminothermic Welding
Rail Pad
Rail Support Assembly
Suspended Rail Fastening
Electrical Insulator
Rail Fastening Apparatus
Crosstie Fasteners
Elastic Rail Clamps
Tie Plate
Rail Clip Driving

77 patents:

1. 11939728 - Anchoring assembly for fastening a railway rail to an underlying foundation (2024-03-26),
2. 11753774 - Anchoring device for a railway rail fastening assembly (2023-09-12),
3. 11634872 - Transparent railroad railseat assembly (2023-04-25),
4. 11534856 - Moulding assembly for aluminothermic welding of rails and method for aluminothermic welding of rails (2022-12-27),
5. 11332891 - Mold for aluminothermie welding of a metal rail and repair method making use thereof (2022-05-17),
6. 11248349 - Pad for a railway rail fastening assembly (2022-02-15),
7. 11236474 - Railway fastener for use with crossties (2022-02-01),
8. 11155967 - Swing turnout for railroad tracks and method for providing a turnout (2021-10-26),
9. 10815623 - Apparatus and method for repairing worn rail shoulders (2020-10-27),
10. 10519608 - Method and apparatus for installing a rail on a tie in a railroad system (2019-12-31),
11. 10422085 - Tie plate for railroad tracks with spike protectors (2019-09-24),
12. 9951479 - Railway rail fastening clip and pad for recessed railseats (2018-04-24),
13. 9903074 - Railway rail anchoring device (2018-02-27),
14. 9725854 - Railway ail fastening assembly and method (2017-08-08),
15. 9702091 - Railroad tie plate with integral clip retainers and method of making the same (2017-07-11),
Pandrol Limited, headquartered in London, specializes in railway fastening technology, providing innovative solutions for rail infrastructure. The company develops and manufactures a range of products including railway rail fastening clips, anchoring assemblies, and rail pads, which enhance the safety and efficiency of rail systems. With a focus on advanced engineering, Pandrol also offers solutions for aluminothermic welding and suspended rail fastening, contributing to the reliability and performance of rail networks globally.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Pandrol Limited
77 Patents

#60 in London

#240 in United Kingdom

#9,755 in the World

London, GB
London, United Kingdom

Pandrol Limited

Forward Citations = 427

83 inventors:

goldMedal Stephen John Cox (25 out of 25 patents)

silverMedal Christopher Gardner (12 out of 12 patents)

bronzeMedal Frank Howard Coats (11 out of 11 patents)

4.  John Phillip Porrill (9 out of 9 patents)

5.  Brian George Conroy (7 out of 7 patents)

Please report any incorrect information to [email protected]
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