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USPTO Patent Rankings Data through Dec 31, 2025
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William B. Crouch — 19 Patents

Chevron: 19 patents #204 of 4,788Top 5%
Whittier, CA: #15 of 578 inventorsTop 3%
California: #31,067 of 386,348 inventorsTop 9%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
William B. Crouch has been granted 19 US patents while listed as an inventor at Chevron. The first was granted in 1980 and the most recent in December 1985. William B. Crouch ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list William B. Crouch in Whittier, CA, US.

Patents per Year

Patents granted per year, 1980 to 1985Bar chart with a peak of 7 patents in 1983.peak 71980: 1 patents19801982: 5 patents19821983: 7 patents19831984: 3 patents19841985: 3 patents1985

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4559061 Means for synthesis gas generation with control of ratio of steam to dry gas Frederick C. Jahnke, George Morris Gulko 1985-12-17 $10,900,000
4533363 Production of synthesis gas Frederick C. Jahnke 1985-08-06 $4,925,000
4502869 Synthesis gas generation process with control of ratio of steam to dry gas Frederick C. Jahnke, George Morris Gulko 1985-03-05 $10,798,000
4490156 Partial oxidation system Charles P. Marion, Albert Brent, George N. Richter, Edward T. Child, Blake Reynolds 1984-12-25
4479810 Partial oxidation system Charles P. Marion, Albert Brent, George N. Richter, Edward T. Child, Blake Reynolds 1984-10-30 $15,402,000
4436530 Process for gasifying solid carbon containing materials Edward T. Child 1984-03-13 $3,778,000
4400180 Partial oxidation process Charles P. Marion, Albert Brent, George N. Richter, Edward T. Child, Blake Reynolds 1983-08-23 $15,336,000
4400179 Partial oxidation high turndown apparatus Charles P. Marion, Albert Brent, George N. Richter, Edward T. Child, Blake Reynolds 1983-08-23 $15,336,000
4394137 Partial oxidation process Charles P. Marion, Albert Brent, George N. Richter, Edward T. Child, Blake Reynolds 1983-07-19 $10,570,000
4392869 High turndown partial oxidation process Charles P. Marion, Albert Brent, George N. Richter, Edward T. Child, Blake Reynolds 1983-07-12 $5,234,000
4386941 Process for the partial oxidation of slurries of solid carbonaceous fuel George N. Richter, Charles P. Marion, Blake Reynolds, Albert Brent, Edward T. Child 1983-06-07 $13,752,000
4371379 Partial oxidation process using a swirl burner Albert Brent, Charles P. Marion, George N. Richter, Edward T. Child, Blake Reynolds 1983-02-01 $5,656,000
4371378 Swirl burner for partial oxidation process Albert Brent, Charles P. Marion, George N. Richter, Edward T. Child, Blake Reynolds 1983-02-01 $5,656,000
4364744 Burner for the partial oxidation of slurries of solid carbonaceous fuels George N. Richter, Charles P. Marion, Blake Reynolds, Albert Brent, Edward T. Child 1982-12-21 $5,659,000
4353712 Start-up method for partial oxidation process Charles P. Marion, Albert Brent, George N. Richter, Edward T. Child, Blake Reynolds 1982-10-12 $6,767,000
4351645 Partial oxidation burner apparatus Charles P. Marion, Albert Brent, George N. Richter, Edward T. Child, Blake Reynolds 1982-09-28 $6,526,000
4351647 Partial oxidation process Charles P. Marion, Albert Brent, George N. Richter, Edward T. Child, Blake Reynolds 1982-09-28 $6,526,000
4338099 Process for the partial oxidation of slurries of solid carbonaceous fuels George N. Richter, Charles P. Marion, Blake Reynolds, Albert Brent, Edward T. Child 1982-07-06 $3,993,000
4218326 Production of nitrogen-rich gas mixtures Carolina Z. Posados nee Fabiero, Allen M. Robin 1980-08-19 $6,859,000