Growing community of inventors

Orland Park, IL, United States of America

Douglas Marciniak

Average Co-Inventor Count = 6.00

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 = 8

Douglas MarciniakJoel Robert Lee (1 patent)Douglas MarciniakWalter Belchine, Iii (1 patent)Douglas MarciniakWilliam A Purdy (1 patent)Douglas MarciniakTodd Callister (1 patent)Douglas MarciniakDavid J Bonadona (1 patent)Douglas MarciniakDouglas Marciniak (1 patent)Joel Robert LeeJoel Robert Lee (25 patents)Walter Belchine, IiiWalter Belchine, Iii (14 patents)William A PurdyWilliam A Purdy (4 patents)Todd CallisterTodd Callister (3 patents)David J BonadonaDavid J Bonadona (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Illinois Tool Works Inc. (1 from 7,620 patents)


1 patent:

1. 7527307 - Door handle assembly

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1/21/2026
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