Growing community of inventors

Plainfield, IL, United States of America

William A Purdy

Average Co-Inventor Count = 3.43

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 = 20

William A PurdyJoel Robert Lee (1 patent)William A PurdyFranco A Cisternino (1 patent)William A PurdyRobert K Dutzi (1 patent)William A PurdyWalter Belchine, Iii (1 patent)William A PurdyPaul M Sutenbach (1 patent)William A PurdyCraig W Gurtatowski (1 patent)William A PurdyChad Eric Anderson (1 patent)William A PurdyStephen M Sperando (1 patent)William A PurdyTodd Callister (1 patent)William A PurdyBryan M Miller (1 patent)William A PurdyDavid J Bonadona (1 patent)William A PurdyJacob S Woodworth (1 patent)William A PurdyDouglas Marciniak (1 patent)William A PurdyWilliam A Purdy (4 patents)Joel Robert LeeJoel Robert Lee (25 patents)Franco A CisterninoFranco A Cisternino (17 patents)Robert K DutziRobert K Dutzi (15 patents)Walter Belchine, IiiWalter Belchine, Iii (14 patents)Paul M SutenbachPaul M Sutenbach (10 patents)Craig W GurtatowskiCraig W Gurtatowski (6 patents)Chad Eric AndersonChad Eric Anderson (6 patents)Stephen M SperandoStephen M Sperando (5 patents)Todd CallisterTodd Callister (3 patents)Bryan M MillerBryan M Miller (3 patents)David J BonadonaDavid J Bonadona (3 patents)Jacob S WoodworthJacob S Woodworth (2 patents)Douglas MarciniakDouglas Marciniak (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Illinois Tool Works Inc. (4 from 7,580 patents)


4 patents:

1. 8720721 - Capless refueling system

2. 8382188 - Self-adjusting and self-aligning access door

3. 7527307 - Door handle assembly

4. 7520543 - Door handle assembly

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12/11/2025
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