W. Robert Epperly — 8 Patents at Platinum Plus

W. Robert Epperly has been granted 8 US patents while listed as an inventor at Platinum Plus. The first was granted in 1991 and the most recent in December 1999. W. Robert Epperly ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list W. Robert Epperly in New Canaan, CT, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date
6003303	Methods for reducing harmful emissions from a diesel engine	Jeremy D. Peter-Hoblyn, James M. Valentine, Barry N. Sprague	1999-12-21
5749928	Method for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion engines	Barry N. Sprague, Danny T. Kelso, Wayne E. Bowers	1998-05-12
5645756	Hardness suppression in urea solutions	Leonard Dubin, Barry N. Sprague, Thure von Harpe	1997-07-08
5441713	Hardness suppression in urea solutions	Leonard Dubin, Barry N. Sprague, Thure von Harpe	1995-08-15
5266083	Method for reducing pollution emissions from a diesel engine	Jeremy D. Peter-Hoblyn, James M. Valentine, Barry N. Sprague	1993-11-30
5215652	Method for regenerating, replacing or treating the catalyst in a hydroprocessing reactor	Barry N. Sprague, Danny T. Kelso, Wayne E. Bowers	1993-06-01
5047219	Hybrid process for nitrogen oxides reduction	Barry N. Sprague	1991-09-10
5034020	Method for catalyzing fuel for powering internal combustion engines	Barry N. Sprague	1991-07-23

W. Robert Epperly — 8 Patents

Issued Patents All Time

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