Inventor · Cardiff-by-the-Sea, CA, US

Edward A. Neff

36Patents
12h-index
35Co-inventors
81Inventor score

Filing activity: Sep 25, 1991 → Mar 3, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5685214A Actuator for translational and rotary movement Electricity 59 Expired
US6118360A Linear actuator Physics 47 Expired
US5175456A Workpiece transporter Emerging Cross-Sectional Technologies 39 Expired
US5270625A Pneumatic/electric actuator Emerging Cross-Sectional Technologies 37 Expired
US5446323A Actuator with translational and rotational control Emerging Cross-Sectional Technologies 35 Expired
US5317222A Workpiece transporter device with replaceable grip Emerging Cross-Sectional Technologies 25 Expired
US6091167A Double coil actuator Emerging Cross-Sectional Technologies 19 Expired
US6076875A Gripper for linear voice coil actuator Emerging Cross-Sectional Technologies 18 Expired
US5952589A Soft landing method for probe assembly Physics 18 Expired
US5315189A Actuator with translational and rotational control Emerging Cross-Sectional Technologies 14 Expired
US6043573A Linear actuator with burn-out-proof coil Electricity 13 Expired
US5310064A Method and apparatus for sorting component parts of an assembly process Electricity 13 Expired
US9375848B2 Robotic finger Performing Operations; Transporting 11 Active
US9381649B2 Robotic finger Performing Operations; Transporting 10 Active
US5798582A Linear voice actuator with replaceable magnetic coil Emerging Cross-Sectional Technologies 7 Expired
US6518682B2 System monitor for a linear/rotary actuator Physics 6 Expired
US9731418B2 Methods and apparatus for closed loop force control in a linear actuator Emerging Cross-Sectional Technologies 6 Active
US9748823B2 Linear actuator with moving central coil and permanent side magnets Emerging Cross-Sectional Technologies 6 Active
US9748824B2 Linear actuator with moving central coil and permanent side magnets Emerging Cross-Sectional Technologies 6 Active
US5726508A Linear voice coil retractor Emerging Cross-Sectional Technologies 5 Expired
US9780634B2 Low cost multi-coil linear actuator configured to accommodate a variable number of coils Emerging Cross-Sectional Technologies 4 Active
US5789830A In-line rotational drive Emerging Cross-Sectional Technologies 4 Expired
US9871435B2 Direct drive motor for robotic finger Electricity 3 Active
US6016039A Control processes for linear voice coil actuator Physics 2 Expired
US10865085B1 Methods and apparatus for applying a threaded cap using a linear rotary actuator Performing Operations; Transporting 2 Active

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