HJ

Harrison W. Sigworth, Jr.

Chevron: 2 patents #1,772 of 4,788Top 40%
📍 Orinda, CA: #226 of 531 inventorsTop 45%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,537,156 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8904792 Method and system for storing energy and generating power heat in a subsea environment Trevor N. Demayo, Yaofan Yi 2014-12-09
4496001 Vacuum system for reducing heat loss 1985-01-29
4338991 Combined solar heating and passive cooling apparatus 1982-07-13