Growing community of inventors

Waterloo, Canada

Donald E Long

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 = 6

Donald E Long ↔ Robert J Rushby (1 patent)Donald E Long ↔ Krantikumar V Toraskar (1 patent)Donald E LongDonald E Long (1 patent)Robert J RushbyRobert J Rushby (3 patents)Krantikumar V ToraskarKrantikumar V Toraskar (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ncr Canada Ltd. -- Ncr Canada Ltee (1 from 51 patents)


1 patent:

1. 4127800 - Means for adjustment of speed of prime mover

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1/13/2026
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