Inventor · Berlin, DE

Winfried Schulz

20Patents
11h-index
19Co-inventors
72Inventor score

Filing activity: May 17, 1974 → Nov 12, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US5058716A Control system for a hydrokinetic torque converter lock-up clutch Mechanical Engineering; Lighting; Heating 28 Expired
US5612874A Multiple ratio automatic transmission with solenoid operated valves for effecting pressure buildup Mechanical Engineering; Lighting; Heating 27 Expired
US5646842A Shift control system for a multiple ratio automatic transmission Mechanical Engineering; Lighting; Heating 26 Expired
US5758302A Shift control system for a multiple ratio automatic transmission Mechanical Engineering; Lighting; Heating 26 Expired
US4667516A Circuit arrangement for compensating for the temperature dependence of the sensitivity and the null point of a piezoresistive pressure sensor Emerging Cross-Sectional Technologies 25 Expired
US3961243A Inductive displacement transducer using a bridge circuit having a stable voltage phase in the diagonal of the bridge Physics 24 Expired
US5642283A Multiple ratio transmission with swap-shift controls Mechanical Engineering; Lighting; Heating 23 Expired
US5553694A Multiple ratio automatic transmission and torque converter Mechanical Engineering; Lighting; Heating 22 Expired
US5809442A Multiple ratio transmission having swap-shift controls with optimum ratio upshifts Mechanical Engineering; Lighting; Heating 18 Expired
US6854739B2 Sealing ring Mechanical Engineering; Lighting; Heating 15 Expired
US5586029A Shift control system for a multiple ratio automatic transmission with manual ratio ranges Emerging Cross-Sectional Technologies 13 Expired
US4539448A Disconnect switch for metal-clad, pressurized-gas insulated, high-voltage switchgear installation Electricity 7 Expired
US4966050A Control valve for reducing harshness of engagement of an automatic transmission clutch Mechanical Engineering; Lighting; Heating 6 Expired
US4623767A Disconnect switch for metal-clad, pressurized gas-insulated high-voltage switchgear with damping resistors Electricity 2 Expired
US6854340B2 Flow measuring device Physics 2 Expired
US10320255B2 Wave winding having a low cogging torque, stator and electric machine comprising a wave winding of said type Electricity 1 Active
US8274186B2 Hybrid drive train and electrical machine Emerging Cross-Sectional Technologies 1 Active
US8397892B2 Clutch support Mechanical Engineering; Lighting; Heating 1 Active
US5621350A Circuit for amplifying a weak dircet voltage signal Electricity 1 Expired
US4603294A Measuring device for the accurate adjustment of the start-of-measurement of a measuring transducer Electricity 0 Expired

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