Inventor · disambiguated record
Robert D. Buchanan
Also filed as: BUCHANAN ROBERT D · BUCHANAN ROBERT DAVID
8 granted patents·192 citations·filing 1980–2007
88Inventor score
Files withEXPLORATION & PROD SERV3SCAPA GROUP PLC2PORRITTS & SPENCER1PORRITTS & SPENCER INC1SOURCE MAN INVESTMENTS LLC1
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8 records- 0184US4283454APapermakers wet felt with ribbed and smooth surface texturesPORRITTS & SPENCER INC·Filed 1980·Granted Aug 11, 1981·74 cites·26 claims
- 0282US4533594ABatt-on-mesh felt employing polyurethane-coated multifilaments in the cross-machine directionPORRITTS & SPENCER·Filed 1983·Granted Aug 6, 1985·43 cites·13 claims
- 0360US7841128B1Fishing floatSOURCE MAN INVESTMENTS LLC·Filed 2007·Granted Nov 30, 2010·2 cites·5 claims
- 0455US5925221APapermaking fabricSCAPA GROUP PLC·Filed 1998·Granted Jul 20, 1999·20 cites·12 claims
- 0555US5419017ABelt seamingSCAPA GROUP PLC·Filed 1992·Granted May 30, 1995·16 cites·8 claims
- 0645US5259456ADrill stem test toolsEXPLORATION & PROD SERV·Filed 1990·Granted Nov 9, 1993·22 cites·17 claims
- 0731US5193619AWell control apparatusEXPLORATION & PROD SERV·Filed 1990·Granted Mar 16, 1993·8 cites·20 claims
- 0830US5222559AValvesEXPLORATION & PROD SERV·Filed 1990·Granted Jun 29, 1993·7 cites·19 claims
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