Assignee
SAMSON AG
DE115 patents
Top patents by PatentIndex Score
US4224846ASep 30, 1980
Turning boring head with a tool for radial adjustment
SAMSON AG81 citations94
US6752171B1Jun 22, 2004
Control-valve drive with sensor unit for detecting the position of the valve
SAMSON AG27 citations92
US6050296AApr 18, 2000
Control apparatus
SAMSON AG49 citations92
US5152166AOct 6, 1992
Method and apparatus for determining the dimensional accuracy of workpiece surfaces
SAMSON AG51 citations92
US4922952AMay 8, 1990
Pneumatic control valve
SAMSON AG28 citations92
US7451644B2Nov 18, 2008
Method for verifying the performance of a test of the functionality of a safety valve
SAMSON AG30 citations91
US5304019AApr 19, 1994
Rotating drill head with a boring bar which is pivotable by a slight distance transversely to the axis of rotation by fluidic means
SAMSON AG28 citations91
US5947658ASep 7, 1999
Toolhead for cutting workpieces and method of manufacturing same
SAMSON AG22 citations89
US5218994AJun 15, 1993
Arrangement having a pneumatic control valve with a housing closed on all sides
SAMSON AG24 citations89
US6512960B1Jan 28, 2003
Positioner and method for operating the positioner
SAMSON AG45 citations86
US6119515ASep 19, 2000
Method and apparatus for monitoring actuators
SAMSON AG24 citations86
US7621170B2Nov 24, 2009
Method and system for function testing a valve
SAMSON AG8 citations83
US6267138B1Jul 31, 2001
Method and means for monitoring a control apparatus
SAMSON AG20 citations83
US5699824ADec 23, 1997
Electrical-pneumatic system
SAMSON AG18 citations83
US7057369B2Jun 6, 2006
System and device for regulating the position of a drivable component and drive therefor
SAMSON AG13 citations82
US8375842B2Feb 19, 2013
Electro-pneumatic system for controlling a double-acting pneumatic actuator
SAMSON AG16 citations80
US7584643B2Sep 8, 2009
Method for testing the functionality of an actuator, especially of an actuator of a safety valve
SAMSON AG21 citations80
US7694936B2Apr 13, 2010
Method and device for function-monitoring an actuator
SAMSON AG18 citations79
US10871243B2Dec 22, 2020
Throttle body with a plurality of channels extending three-dimensional spiral-shaped
SAMSON AG8 citations78
US10215306B2Feb 26, 2019
Valve cage for receiving a valve member and method for operating a control valve with a valve cage and a valve member
SAMSON AG11 citations77
US4925498AMay 15, 1990
Pneumatic control valve
SAMSON AG14 citations73
US4402335ASep 6, 1983
Damping unit for measuring and automatic control systems
SAMSON AG9 citations73
US4343224AAug 10, 1982
Automatic control system
SAMSON AG15 citations73
US4074701AFeb 21, 1978
Fluidic switch
SAMSON AG18 citations73
US6294732B1Sep 25, 2001
Field device of the pressure-resistant encapsulation type of protection
SAMSON AG9 citations72
US5365963ANov 22, 1994
Actuating drive having a safety device
SAMSON AG15 citations72
US10465796B2Nov 5, 2019
Sealing arrangement
SAMSON AG2 citations71
US10001419B2Jun 19, 2018
Spring body for a force transducer, such as a torque-and/or tension/compression-force measuring cell
SAMSON AG6 citations71
US5368420ANov 29, 1994
Rotating drill head with a boring bar which is pivotable by a slight distance vertically to the axis of rotation by fluidic means
SAMSON AG18 citations71
US5116171AMay 26, 1992
Pressure controlled cutter bit retainer with precision adjustable cutter bit
SAMSON AG11 citations71
US10837576B2Nov 17, 2020
Globe valve and arrangement for a globe valve
SAMSON AG4 citations70
US10274103B2Apr 30, 2019
Electro-pneumatic actuator
SAMSON AG3 citations69
US11486515B2Nov 1, 2022
Determining the operability of a fluid driven safety valve
SAMSON AG2 citations68
US10711810B2Jul 14, 2020
Closed loop and/or open loop control method for an electropneumatic field device
SAMSON AG2 citations68
US9880564B2Jan 30, 2018
Position controller for a pneumatic field device
SAMSON AG6 citations68
US5452742ASep 26, 1995
Electropneumatic position controller
SAMSON AG10 citations68
US11209088B2Dec 28, 2021
Perforated plug for a control valve
SAMSON AG3 citations66
US12117099B2Oct 15, 2024
Method for testing the functionality of a solenoid valve for triggering a safety valve
SAMSON AG2 citations65
US9689499B2Jun 27, 2017
Control valve
SAMSON AG2 citations65
US4913602AApr 3, 1990
Apparatus for the fine adjustment of a tool for a rotating radial adjusting head
SAMSON AG7 citations65
US10488872B2Nov 26, 2019
Actuating drive device process valves
SAMSON AG4 citations63
US4375273AMar 1, 1983
Combustion automatic control system
SAMSON AG18 citations63
US11391381B2Jul 19, 2022
Control valve assembly and method for operating a control valve assembly
SAMSON AG0 citations62
US10767665B2Sep 8, 2020
Pneumatic valve arrangement
SAMSON AG1 citations62
US10746317B2Aug 18, 2020
Valve
SAMSON AG1 citations62
US10746318B2Aug 18, 2020
Electromagnetic impact valve arrangement
SAMSON AG1 citations62
US7802585B2Sep 28, 2010
Transducer of an electrical input signal into pneumatic output signals
SAMSON AG5 citations62
US6400994B1Jun 4, 2002
Pneumatic positioning control unit
SAMSON AG3 citations62
US6295511B1Sep 25, 2001
Apparatus for controlling and monitoring actuators with an open/close characteristic
SAMSON AG4 citations62
US7862003B2Jan 4, 2011
Position controller
SAMSON AG5 citations61
Showing the top 50 of 115 patents by PatentIndex Score.