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Croydon, United Kingdom

The Post Office

USPTO Granted Patents = 159

Forward Citations = 2,315

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205 inventors (with patents filed for the assignee):

Paul C Hensel (8 out of 9 patents)

John Mortimer Rollett (7 out of 9 patents)

Lynden A Jackson (6 out of 6 patents)

4. Alan J Greaves (5 out of 7 patents)

5. Marc M Faktor (5 out of 8 patents)

6. Keith J Beales (5 out of 9 patents)

7. George R Newns (5 out of 6 patents)

8. Arthur Robin Potter (4 out of 4 patents)

9. Richard Burnaby Dyott (4 out of 6 patents)

10. John Leslie Stevenson (4 out of 4 patents)

11. John Edwin Midwinter (4 out of 4 patents)

12. Aubrey Douglas Walker (4 out of 4 patents)

13. Ian S Groves (4 out of 4 patents)

14. Donald William Smith (3 out of 3 patents)

15. Michael Robert Matthews (3 out of 3 patents)

Core Competencies:

Sorting Systems

Optical Fibres

Digital Data Transmission

Phosphorescent Materials

Semiconductor Devices

Audio Teleconferencing

Dielectric Optical Waveguides

Integrated Circuits Testing

Pneumatically Propelled Motors

Electret Microphone Circuits

Molecular Beam Epitaxy

Control Apparatus

159 patents: Sort by Forward Citations

1. 6227378 - Sorting system for groups of items having recirculation (2001-05-08),

2. 5998752 - Sorting system (1999-12-07),

3. 5550913 - Network terminating unit for connecting analog and digital communication (1996-08-27),

4. 5100580 - Phosphorescent materials (1992-03-31),

5. 5054602 - Sorting system (1991-10-08),

6. 5010998 - Diverter (1991-04-30),

7. D313298 - Spiral chute (1990-12-25),

8. 4967857 - Weighing apparatus (1990-11-06),

9. 4873662 - Information handling system and terminal apparatus therefor (1989-10-10),

10. D296489 - Spiral chute (1988-06-28),

11. 4635787 - Sorting machine (1987-01-13),

12. 4575182 - Dielectric optical waveguide connecting device (1986-03-11),

13. 4544841 - Detector device for a conveyor (1985-10-01),

14. 4509635 - Sorting system (1985-04-09),

15. 4506212 - Method and apparatus for testing integrated circuits using AC test input (1985-03-19),

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USPTO Data Jan 1 1976 - Dec 30 2025

159 Patents

#1 in Croydon

#107 in United Kingdom

#5,047 in the World

Croydon, United Kingdom

The Post Office

Forward Citations = 2,315

205 inventors:

Paul C Hensel (8 out of 9 patents)

John Mortimer Rollett (7 out of 9 patents)

Lynden A Jackson (6 out of 6 patents)

4. Alan J Greaves (5 out of 7 patents)

5. Marc M Faktor (5 out of 8 patents)

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