Inventor · disambiguated record
John M. Downey
Also filed as: DOWNEY JOHN · DOWNEY JOHN M
12 granted patents·5 pending applications·169 citations·filing 1988–2017
91Inventor score
Files withPORTEC RAIL PRODUCTS INC8URMSON JR W THOMAS4DOWNEY JOHN M1KOPPERS DELAWARE INC1PORTEC RMP DIVISION1
Top patents by PatentIndex Score
17 records- 0192US7261244B2Tie platePORTEC RAIL PRODUCTS INC·Filed 2005·Granted Aug 28, 2007·13 cites·24 claims
- 0291US5503331AInsulated rail joint incorporating spacer-impregnated adhesive and method for bonding insulated rail jointsPORTEC RMP DIVISION·Filed 1994·Granted Apr 2, 1996·54 cites·12 claims
- 0385US8302878B2Method and arrangement to insulate rail endsURMSON JR W THOMAS·Filed 2011·Granted Nov 6, 2012·4 cites·9 claims
- 0483US7975933B2Method and arrangement to insulate rail endsURMSON JR W THOMAS·Filed 2006·Granted Jul 12, 2011·7 cites·17 claims
- 0576USD547642SWrap-around joint bar sleeve insulatorPORTEC RAIL PRODUCTS INC·Filed 2005·Granted Jul 31, 2007·23 cites·1 claims
- 0670US7090143B2Rail joint bars and rail joint assembliesPORTEC RAIL PRODUCTS INC·Filed 2004·Granted Aug 15, 2006·6 cites·23 claims
- 0764US8123144B2Rail joint bars and rail joint assembliesURMSON JR W THOMAS·Filed 2009·Granted Feb 28, 2012·1 cites·4 claims
- 0864US7490781B2Rail joint bars and rail joint assembliesPORTEC RAIL PRODUCTS INC·Filed 2006·Granted Feb 17, 2009·1 cites·9 claims
- 0960US11041274B2Center supported bond jointKOPPERS DELAWARE INC·Filed 2017·Granted Jun 22, 2021·0 cites·6 claims
- 1060US7097112B2Profiled barPROTEC RAIL PRODUCTS INC·Filed 2004·Granted Aug 29, 2006·7 cites·36 claims
- 1157US2009302125A1Center Supported Bond JointPORTEC RAIL PRODUCTS INC·Filed 2009·Application pending·0 cites
- 1256USD576023SCenter supported bond jointPORTEC RAIL PRODUCTS INC·Filed 2005·Granted Sep 2, 2008·11 cites·1 claims
- 1354US2012223151A1Center Supported Bond JointURMSON JR W THOMAS·Filed 2012·Application pending·0 cites
- 1451US2006027674A1Center supported bond jointPORTEC RAIL PRODUCTS INC·Filed 2005·Application pending·0 cites
- 1549US4813433ASyringe for withdrawing bloodDOWNEY JOHN M·Filed 1988·Granted Mar 21, 1989·42 cites·8 claims
- 1641US2004155117A1Tie plateFiled 2003·Application pending·0 cites
- 1737US2010270386A1Bolt on Continuous Rail JointPORTEC RAIL PRODUCTS INC·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →