Growing community of inventors

Sulphur Springs, TX, United States of America

Stephen M Horvath

Average Co-Inventor Count = 2.50

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 = 90

Stephen M Horvath ↔ Ricky E Spears (3 patents)Stephen M Horvath ↔ Frank D Sears (3 patents)Stephen M Horvath ↔ John D Icenhower (2 patents)Stephen M HorvathStephen M Horvath (5 patents)Ricky E SpearsRicky E Spears (4 patents)Frank D SearsFrank D Sears (3 patents)John D IcenhowerJohn D Icenhower (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. M&fc Holding Company (5 from 28 patents)


5 patents:

1. 5232201 - Plastic ball valve stem seal

2. 5178363 - Valve stem sealing means for prevention of fugitive emissions

3. 5169124 - Method for assembling a plastic ball valve

4. 5165658 - Plastic ball valve ball seal means

5. 5129624 - Valve stem sealing means for prevention of fugitive emissions

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idiyas.com
as of
12/12/2025
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