SS

Steven J. Spencer

General Motors: 23 patents #536 of 18,328Top 3%
CA Carrier: 10 patents #184 of 2,507Top 8%
🗺 New York: #3,527 of 115,490 inventorsTop 4%
Overall (All Time): #108,455 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
6742370 High fin density coil design utilizing precoated fin stock Paul S. Sacks 2004-06-01
6167950 Heat transfer tube Neelkanth S. Gupte, Xin Liu, Robert Chiang, Daniel P. Gaffaney 2001-01-02
5975196 Heat transfer tube Daniel P. Gaffaney, Donald Bennett, Hannu HEISKANEN, Gerald Lee Riggs, Edward G. Rottmann +1 more 1999-11-02
5933953 Method of manufacturing a heat transfer tube Neelkanth S. Gupte 1999-08-10
5781996 Method of manufacturing heat transfer tube 1998-07-21
5752313 Tube expander with force sensor Daniel P. Gaffaney 1998-05-19
5669441 Heat transfer tube and method of manufacture 1997-09-23
5333682 Heat exchanger tube Xin Liu, Neelkanth S. Gupte, Robert Chiang, Daniel P. Gaffaney 1994-08-02