Thomas E. Rajewski has been granted 6 US patents while listed as an inventor at The Lubrizol . The first was granted in 1997 and the most recent in July 2014. Thomas E. Rajewski ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Thomas E. Rajewski in Bay City, MI, US.
Patents per Year Patents granted per year, 1997 to 2014 Bar chart with a peak of 1 patents in 1997. peak 1 1997: 1 patents 1997 2001: 1 patents 2001 2002: 1 patents 2002 2004: 1 patents 2004 2006: 1 patents 2006 2014: 1 patents 2014
Issued Patents All Time
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Showing 1–6 of 6 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8778859 Lubricant useful for improving the oil separation performance of a vapor compression system Kenneth C. Lilje , John Carl Tolfa 2014-07-15
6983614 Heat transfer fluid for secondary refrigeration systems comprising a formate salt and sulfamic acid Diane L. Dick , Gilbert R. Malone 2006-01-10
$14,267,000
6677284 Lubricant composition for ammonia based refrigerants with good seal performance John Carl Tolfa , Hsinheng Li 2004-01-13
$3,223,000
6374629 Lubricant refrigerant composition for hydrofluorocarbon (HFC) refrigerants Jill Ellen Oberle 2002-04-23
$11,161,000
6267907 Lubricant composition comprising an aliphatic substituted naphthalene alone or in combination refrigeration systems John Carl Tolfa 2001-07-31
$7,207,000
5595678 Lubricant composition for ammonia refrigerants used in compression refrigeration systems Glenn D. Short , Lars I. Sj oholm 1997-01-21