Growing community of inventors

Pittsburgh, PA, United States of America

Mark Douglas Donaldson

Average Co-Inventor Count = 2.00

ph-index = 3

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 = 42

Mark Douglas Donaldson ↔ Jeffrey C Olson (1 patent)Mark Douglas Donaldson ↔ James Leo Kilgallon (1 patent)Mark Douglas Donaldson ↔ Evan Mark Abel (1 patent)Mark Douglas Donaldson ↔ Bruce R Quayle (1 patent)Mark Douglas Donaldson ↔ Al Bowers (1 patent)Mark Douglas Donaldson ↔ Chris Stygar (1 patent)Mark Douglas Donaldson ↔ Eric Colburn (1 patent)Mark Douglas DonaldsonMark Douglas Donaldson (3 patents)Jeffrey C OlsonJeffrey C Olson (50 patents)James Leo KilgallonJames Leo Kilgallon (13 patents)Evan Mark AbelEvan Mark Abel (9 patents)Bruce R QuayleBruce R Quayle (4 patents)Al BowersAl Bowers (1 patent)Chris StygarChris Stygar (1 patent)Eric ColburnEric Colburn (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Intermetro Industries Corporation (1 from 83 patents)

2. Daewoo Heavy Industries Ltd. (1 from 59 patents)

3. Daewoo Equipment Corporation (1 from 5 patents)


3 patents:

1. 9208468 - Inventory management system

2. D641587 - Egg beater

3. D389981 - Forklift truck

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as of
12/7/2025
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