Growing community of inventors

Preston, United Kingdom

Douglas F Kerr

Average Co-Inventor Count = 2.40

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 19

Douglas F KerrGeoffrey J Ash (1 patent)Douglas F KerrRonald Coe (1 patent)Douglas F KerrRichard D Greenhalgh (1 patent)Douglas F KerrDouglas F Kerr (2 patents)Geoffrey J AshGeoffrey J Ash (6 patents)Ronald CoeRonald Coe (1 patent)Richard D GreenhalghRichard D Greenhalgh (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. British Aerospace Public Limited Company (1 from 321 patents)

2. British Aerospace Plc (1 from 115 patents)


2 patents:

1. 5271222 - Jet propulsion powerplants

2. 4756227 - Store carrier for aircraft

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as of
12/9/2025
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