Growing community of inventors

Bozeman, MT, United States of America

Bryan Walthall

Average Co-Inventor Count = 3.23

ph-index = 4

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 = 41

Bryan WalthallDavid J Yakos (7 patents)Bryan WalthallKevin Burgess (6 patents)Bryan WalthallStephen Sanford (1 patent)Bryan WalthallDonald Lewis Meike (1 patent)Bryan WalthallDaniel E Clawson (1 patent)Bryan WalthallBryan Walthall (7 patents)David J YakosDavid J Yakos (46 patents)Kevin BurgessKevin Burgess (14 patents)Stephen SanfordStephen Sanford (30 patents)Donald Lewis MeikeDonald Lewis Meike (2 patents)Daniel E ClawsonDaniel E Clawson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Big Horn Valve, Inc. (6 from 13 patents)

2. Other (1 from 832,812 patents)


7 patents:

1. 9377121 - Leak-free rotary valve with internal worm gear

2. 8690119 - Leak-free reciprocating stemmed valve

3. 8496228 - Planetary gear ball valve

4. 8490946 - Planetary gear valve

5. 8132786 - Stemless ball valve

6. 7971855 - Stemless ball valve

7. 7913327 - Automatically flushing toilet

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idiyas.com
as of
12/17/2025
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