Assignee
PHD INC
US79 patents
Top patents by PatentIndex Score
US7182326B2Feb 27, 2007
Pin clamp
PHD INC38 citations96
US6048013AApr 11, 2000
Modular stamped parts transfer gripper
PHD INC66 citations96
US5941513AAug 24, 1999
Mounting bracket for modular workpiece holder
PHD INC57 citations96
US4607873AAug 26, 1986
Gripper apparatus
PHD INC92 citations94
US7516948B2Apr 14, 2009
Pin clamp accessories
PHD INC39 citations92
US7467788B2Dec 23, 2008
Pin clamp
PHD INC23 citations92
US7111834B2Sep 26, 2006
Swing-arm clamp
PHD INC24 citations92
US7032944B2Apr 25, 2006
Modular stamped parts transfer gripper
PHD INC18 citations92
US6929254B2Aug 16, 2005
Swing-arm clamp
PHD INC18 citations92
US6641189B2Nov 4, 2003
Article sensor assembly
PHD INC26 citations92
US6588816B1Jul 8, 2003
Modular stamped parts transfer gripper
PHD INC24 citations92
US6575512B2Jun 10, 2003
Modular stamped parts transfer gripper
PHD INC24 citations92
US6530616B1Mar 11, 2003
Continuity switch for parts grippers
PHD INC20 citations92
US6273408B1Aug 14, 2001
Mounting bracket for modular workpiece holder
PHD INC25 citations92
US6176533B1Jan 23, 2001
Modular stamped parts transfer gripper
PHD INC24 citations92
US7815176B2Oct 19, 2010
Lock mechanism for pin clamp assembly
PHD INC21 citations91
US7490881B2Feb 17, 2009
Long travel gripper
PHD INC20 citations91
US7448607B2Nov 11, 2008
Pin clamp assembly
PHD INC35 citations91
US6056281AMay 2, 2000
Adjustable stoppers and mounting assemblies for parts grippers
PHD INC36 citations91
US6874834B2Apr 5, 2005
Linear slide gripper
PHD INC24 citations90
US6276733B1Aug 21, 2001
Jaw tips and jaw tip assemblies for parts grippers
PHD INC16 citations90
US4132153AJan 2, 1979
Metering control valve and fluid power system
PHD INC35 citations88
US6857780B2Feb 22, 2005
Rodless slide assembly
PHD INC19 citations87
US5241896ASep 7, 1993
Pneumatic cylinder apparatus
PHD INC27 citations86
US6598918B1Jul 29, 2003
Synchronized gripper jaws
PHD INC23 citations85
US4421137ADec 20, 1983
Plug assembly for sealing a pressure fluid passage in a manifold or the like
PHD INC39 citations85
US8376336B2Feb 19, 2013
Strip off pin clamp
PHD INC14 citations84
US8905452B2Dec 9, 2014
Gripper with force-multiplying mechanism
PHD INC15 citations83
US7328924B2Feb 12, 2008
Adjustable tip assembly
PHD INC11 citations83
US7066458B2Jun 27, 2006
Powered clamp assembly
PHD INC13 citations83
US7021687B2Apr 4, 2006
Clamp assembly
PHD INC18 citations83
US6948708B2Sep 27, 2005
Gripper provided with an adjustable sensor assembly
PHD INC15 citations83
US6425616B2Jul 30, 2002
Modular stamped parts transfer gripper
PHD INC12 citations82
US6227586B1May 8, 2001
Modular stamped parts transfer gripper
PHD INC14 citations82
US7290479B2Nov 6, 2007
Stop for a slide assembly
PHD INC11 citations80
US5791619AAug 11, 1998
Anti-torque reaction arm
PHD INC27 citations80
US4134306AJan 16, 1979
Rotary actuator
PHD INC20 citations79
US4119017AOct 10, 1978
Non-rotatable fluid power cylinder
PHD INC21 citations79
US10780575B2Sep 22, 2020
Robot end effector cuff
PHD INC9 citations77
USD853811SJul 16, 2019
Gripper
PHD INC6 citations77
US6557916B2May 6, 2003
Modular stamped parts transfer gripper
PHD INC10 citations74
US11312022B2Apr 26, 2022
Autonomously encapsulating gripper tooling
PHD INC2 citations73
US11285617B2Mar 29, 2022
Modular articulating gripper
PHD INC5 citations73
US9796096B2Oct 24, 2017
Gripper with indexable speed reducer
PHD INC2 citations73
US9140301B1Sep 22, 2015
Machine guideways
PHD INC5 citations72
US8894118B2Nov 25, 2014
Gripper with cable synchronized jaw movement
PHD INC4 citations72
US4577898AMar 25, 1986
Gripper apparatus
PHD INC11 citations72
US4111100ASep 5, 1978
Non-rotatable fluid powered nozzle and valve combination
PHD INC17 citations72
US6123375ASep 26, 2000
Parts gripper
PHD INC18 citations70
US5988042ANov 23, 1999
Rodless cylinder with internal bearings
PHD INC11 citations67
Showing the top 50 of 79 patents by PatentIndex Score.