Inventor · Chagrin Falls, OH, US

Mark A. Chaffee

20Patents
7h-index
28Co-inventors
69Inventor score

Filing activity: Aug 20, 1993 → Sep 30, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5392207A Programmable motion controller with graphical programming aid Emerging Cross-Sectional Technologies 86 Expired
US7447931B1 Step time change compensation in an industrial automation network Electricity 85 Active
US7656751B2 Step time change compensation in an industrial automation network Electricity 75 Active
US5684375A Method and apparatus for tuning a motion control system Physics 40 Expired
US5684374A Method and apparatus for tuning a motion control system having an external velocity loop Physics 34 Expired
US5391970A Motion controller with remote linking and time disturbance correction Physics 21 Expired
US6650078B1 Method and system for controlling mechanical systems exhibiting discontinuity in inertial loading Physics 9 Expired
US7983769B2 Time stamped motion control network protocol that enables balanced single cycle timing and utilization of dynamic data structures Emerging Cross-Sectional Technologies 5 Active
US9998053B2 System and method for improved motor drive tuning Electricity 5 Active
US8850092B2 Input module for an industrial controller Physics 4 Active
US7904184B2 Motion control timing models Emerging Cross-Sectional Technologies 3 Active
US9323235B2 Industrial control system with distributed motion planning Physics 3 Active
US10378951B2 System and method of integrated vibration monitoring in motor drives Electricity 3 Active
US8255197B2 Simulation of tuning effects for a servo driven mechatronic system Physics 1 Active
US9857781B2 Peer communication between modules in an industrial controller Physics 1 Active
US10756660B2 System and method for isolation of load dynamics in motor drive tuning Physics 1 Active
US10753790B2 System and method of integrated vibration monitoring in motor drives Electricity 0 Active
US11599090B2 System and method of network synchronized time in safety applications Emerging Cross-Sectional Technologies 0 Active
US11086281B2 Method and apparatus for online simulation of complex motion systems Physics 0 Active
US10291166B2 System and method of single parameter ratiometric tuning for motor drives Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.