Growing community of inventors

Bridge of Don, United Kingdom

Christopher Callaway

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 15

Christopher Callaway ↔ Alan Mackenzie (1 patent)Christopher Callaway ↔ David Andrew Anderton (1 patent)Christopher Callaway ↔ Alan Mackenzie (1 patent)Christopher CallawayChristopher Callaway (1 patent)Alan MackenzieAlan Mackenzie (6 patents)David Andrew AndertonDavid Andrew Anderton (1 patent)Alan MackenzieAlan Mackenzie (5 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. E2tech Limited (1 from 14 patents)


1 patent:

1. 7073583 - Method and apparatus for expanding tubing downhole

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12/20/2025
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