Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7563359 | Integrated process to convert heavy oils from oil sands to petrochemical feedstock | Andrzej Krzywicki, Sunny Wong, Anthony Tse, Abdul Alim Fakih | 2009-07-21 |
| 7513988 | Aromatic saturation and ring opening process | Vasily Simanzhenkov, Jens Weitkamp, Roger Gläser, Yvonne Traa, Fehime Demir | 2009-04-07 |
| 7488392 | Surface on a stainless steel matrix | Leslie Wilfred Benum, Sabino Steven Anthony Petrone | 2009-02-10 |
| 7156979 | Thermal cracking process using tubes, pipes, and coils made of novel stainless steel matrix | Leslie Wilfred Benum, Sabino Steven Anthony Petrone, Weixing Chen | 2007-01-02 |
| 7128139 | External ribbed furnace tubes | Leslie Wilfred Benum, Marvin Harvey Weiss | 2006-10-31 |
| 7056399 | Passivation of steel surface to reduce coke formation | Haiyong Cai, Andrzej Krzywicki, Leslie Wilfred Benum | 2006-06-06 |
| 6899966 | Composite surface on a stainless steel matrix | Leslie Wilfred Benum, Sabino Steven Anthony Petrone | 2005-05-31 |
| 6824883 | Surface on a stainless steel matrix | Leslie Wilfred Benum, Sabino Steven Anthony Petrone, Weixing Chen | 2004-11-30 |
| 6772771 | Decoke enhancers for transfer line exchangers | Haiyong Cai, Andrzej Krzywicki, Ted Magtanong, Les Benum | 2004-08-10 |
| 6436202 | Process of treating a stainless steel matrix | Leslie Wilfred Benum | 2002-08-20 |
| 6111156 | Integrated high temperature high conversion olefin/polyolefin process | David F. Purvis, Andrzej Krzywicki, Leslie Wilfred Benum | 2000-08-29 |
| 5124024 | Method for extending hydroconversion catalyst life | Andrzej Krzywicki, Leszek Lewkowicz | 1992-06-23 |