Assignee
PENN TROY MACHINE CO INC
US·6 granted patents·113 citations·filing 1991–2001
Top patents by PatentIndex Score
6 records- 0174US5383495AStainless steel security cap for fire hydrantsPENN TROY MACHINE CO INC·Filed 1993·Granted Jan 24, 1995·41 cites·8 claims
- 0272US5386844AFloat actuated combination air and vacuum valvePENN TROY MACHINE CO INC·Filed 1991·Granted Feb 7, 1995·30 cites·8 claims
- 0371US6584867B2Spur gear to interconnect rack and wormPENN TROY MACHINE CO INC·Filed 2001·Granted Jul 1, 2003·13 cites·8 claims
- 0466US5971358AGate assembly for a double disk gate valvePENN TROY MACHINE CO INC·Filed 1998·Granted Oct 26, 1999·21 cites·22 claims
- 0535US6035892ATelescoping valve having improved sealPENN TROY MACHINE CO INC·Filed 1998·Granted Mar 14, 2000·7 cites·10 claims
- 0630US5280875AResilient seated mud valvePENN TROY MACHINE CO INC·Filed 1992·Granted Jan 25, 1994·1 cites·7 claims
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