Growing community of inventors

Abingdon, VA, United States of America

John W Walch

Average Co-Inventor Count = 3.24

ph-index = 5

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 = 92

John W WalchKent J Furcron (4 patents)John W WalchRicky A Owens (4 patents)John W WalchMark D Dziersk (3 patents)John W WalchGary A Miller (3 patents)John W WalchDennis J Mancl (2 patents)John W WalchRobert W Burkhardt (1 patent)John W WalchJohn W Walch (6 patents)Kent J FurcronKent J Furcron (9 patents)Ricky A OwensRicky A Owens (5 patents)Mark D DzierskMark D Dziersk (23 patents)Gary A MillerGary A Miller (3 patents)Dennis J ManclDennis J Mancl (15 patents)Robert W BurkhardtRobert W Burkhardt (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Trc Acquisition Corporation (3 from 11 patents)

2. Electrolux LLC (2 from 62 patents)

3. The Regina Company (1 from 20 patents)


6 patents:

1. 5551122 - Corded handheld vacuum cleaner

2. 5448794 - Corded handheld vacuum cleaner

3. 5311638 - Cleaning device

4. D346467 - Cleaning device

5. D346247 - Cleaning device

6. D345830 - Cleaning device

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as of
1/1/2026
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