Growing community of inventors

Danville, CA, United States of America

Ann C Heywood

Average Co-Inventor Count = 4.00

ph-index = 2

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 = 73

Ann C HeywoodRichard J Martin (2 patents)Ann C HeywoodMark R Holst (1 patent)Ann C HeywoodJohn D Stilger (1 patent)Ann C HeywoodJohn T Schofield (1 patent)Ann C HeywoodAndrew B King (1 patent)Ann C HeywoodAnn C Heywood (2 patents)Richard J MartinRichard J Martin (21 patents)Mark R HolstMark R Holst (32 patents)John D StilgerJohn D Stilger (13 patents)John T SchofieldJohn T Schofield (2 patents)Andrew B KingAndrew B King (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Thermatrix, Inc. (2 from 19 patents)


2 patents:

1. 5819673 - Systems for the treatment of chemical wastes and methods for treating

2. 5770784 - Systems for the treatment of commingled wastes and methods for treating

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as of
1/10/2026
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