Growing community of inventors

Oakland, MI, United States of America

David T Schumann

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 = 1

David T Schumann ↔ Robert J Schubert, Jr (1 patent)David T Schumann ↔ Federico Moreno (1 patent)David T Schumann ↔ Larissa D Pfendt (1 patent)David T Schumann ↔ Derrick O Kelley (1 patent)David T Schumann ↔ Steven N Grucz (1 patent)David T Schumann ↔ Wesley D Pack (1 patent)David T SchumannDavid T Schumann (2 patents)Robert J Schubert, JrRobert J Schubert, Jr (2 patents)Federico MorenoFederico Moreno (1 patent)Larissa D PfendtLarissa D Pfendt (1 patent)Derrick O KelleyDerrick O Kelley (1 patent)Steven N GruczSteven N Grucz (1 patent)Wesley D PackWesley D Pack (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. T K Holdings, Inc. (2 from 368 patents)


2 patents:

1. 8783715 - Gas generating system

2. 7712780 - Gas generator with hybrid spring

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as of
1/11/2026
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