Growing community of inventors

Inwood, NY, United States of America

Robert F Check

Average Co-Inventor Count = 1.24

ph-index = 6

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 = 75

Robert F CheckWilliam R Parnis (2 patents)Robert F CheckThomas A Stuef (2 patents)Robert F CheckRobert F Check (7 patents)William R ParnisWilliam R Parnis (4 patents)Thomas A StuefThomas A Stuef (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (4 from 832,718 patents)

2. Check Corporation (3 from 7 patents)


7 patents:

1. 7491912 - Portable container with temperature control chamber

2. 7131187 - Method of making a heater element for a seat assembly

3. 6489595 - Electric heater for a seat assembly

4. 6248981 - Sealed food container and method of ensuring delivery of the container in a heated state

5. 6169270 - Sealed food container and method of ensuring delivery of the container in a heated state

6. 6018143 - Heat thermal bag

7. 4562956 - Domestic hot water zone valve controlled external coil

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as of
12/15/2025
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