Growing community of inventors

Southington, CT, United States of America

Douglas D Schumann

Average Co-Inventor Count = 1.89

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 = 47

Douglas D SchumannStephen W Rector (1 patent)Douglas D SchumannDouglas J Malewicki (1 patent)Douglas D SchumannRobert M Kubinski (1 patent)Douglas D SchumannRobert R Siegler (1 patent)Douglas D SchumannPhilip C Emmons (1 patent)Douglas D SchumannDouglas D Schumann (3 patents)Stephen W RectorStephen W Rector (12 patents)Douglas J MalewickiDouglas J Malewicki (8 patents)Robert M KubinskiRobert M Kubinski (3 patents)Robert R SieglerRobert R Siegler (2 patents)Philip C EmmonsPhilip C Emmons (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,912 patents)

2. Caterpillar Inc. (1 from 9,483 patents)

3. Monster Robot, Inc. (1 from 1 patent)


3 patents:

1. 5660080 - Electrically noncontacting transmission control mechanism

2. 5052680 - Trailerable robot for crushing vehicles

3. 4646087 - Inductively coupled position detection system

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as of
1/10/2026
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