Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11686349 | Self-aligning seal assembly | Alan Paul Bampton, Jim Kendrick | 2023-06-27 | |
| 7767008 | Vapor/liquid separation apparatus | James M. Frye, Richard C. Stell, Subramanian Annamalai, Alok Mani Srivastava | 2010-08-03 | $105,641,000 |
| 7625480 | Pyrolysis furnace feed | Richard C. Stell, James N. McCoy, Bryan D. McVicker, Paul F. Keusenkothen, Alok Mani Srivastava +1 more | 2009-12-01 | $224,281,000 |
| 7481871 | Vapor/liquid separation apparatus | James M. Frye, Richard C. Stell, Subramanian Annamalai, Alok Mani Srivastava | 2009-01-27 | $338,403,000 |
| 7297833 | Steam cracking of light hydrocarbon feedstocks containing non-volatile components and/or coke precursors | Richard C. Stell, Alok Mani Srivastava, James N. McCoy | 2007-11-20 | $251,145,000 |
| 4543114 | Pipeline concave strainer | Herbert Bear, Robin B. Willis | 1985-09-24 |