RF

Richard L. Ferm

Chevron: 13 patents #351 of 4,788Top 8%
📍 Lafayette, CA: #77 of 569 inventorsTop 15%
🗺 California: #46,935 of 386,348 inventorsTop 15%
Overall (All Time): #391,561 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
4551226 Heat exchanger antifoulant 1985-11-05
4469586 Heat exchanger antifoulant 1984-09-04
4435273 Heat exchanger antifoulant Louis R. Kray 1984-03-06
4431514 Heat exchanger antifoulant 1984-02-14
4410419 Heat exchanger antifoulant 1983-10-18
4394213 Hydroxy-aluminum/lignin sulfonate compositions 1983-07-19
4351750 Quick-setting bituminous emulsion compositions Chester C. Latif 1982-09-28
4243563 Calcium polysulfide soil stabilization method and compositions 1981-01-06
4198245 Process for producing concrete structures of high strength Robert W. Campbell 1980-04-15
4193809 High-strength concrete objects Robert W. Campbell 1980-03-18
4193810 Concrete composition 1980-03-18
4193811 Concrete composition 1980-03-18
4193816 Quick-setting bituminous emulsion compositions Chester C. Latif 1980-03-18