Ralph P. Poor has been granted 9 US patents while listed as an inventor at Surface Combustion . The first was granted in 1992 and the most recent in January 2015. Ralph P. Poor ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Ralph P. Poor in Toledo, OH, US.
Patents per Year Patents granted per year, 1992 to 2015 Bar chart with a peak of 2 patents in 2006. peak 2 1992: 1 patents 1992 1993: 1 patents 1993 1994: 1 patents 1994 2006: 2 patents 2006 2007: 2 patents 2007 2012: 1 patents 2012 2015: 1 patents 2015
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date
8939457 Arm and leg powered vehicle Adam C. Poor 2015-01-27
8293167 Surface treatment of metallic articles in an atmospheric furnace William J. Bernard , Garry W. Barbee , John W. Gottschalk 2012-10-23
7267793 Furnace for vacuum carburizing with unsaturated aromatic hydrocarbons Gary W. Barbee , Stephen H. Verhoff , James E. Brug 2007-09-11
7204952 Vacuum furnace for carburizing with hydrocarbons Gary W. Barbee , Stephen H. Verhoff , James E. Brug 2007-04-17
7033446 Vacuum carburizing with unsaturated aromatic hydrocarbons Garry W. Barbee , Stephen H. Verhoff , James E. Brug 2006-04-25
6991687 Vacuum carburizing with napthene hydrocarbons Garry W. Barbee , Stephen H. Verhoff , James E. Brug 2006-01-31
5364476 Industrial variable carbon potential gas generator Michael Huber 1994-11-15
5211820 Gas analysis system for furnaces and the like Michael Huber , Garry W. Barbee 1993-05-18
5137616 Gas analysis system for furnaces and the like Michael Huber , Garry W. Barbee 1992-08-11