Inventor · disambiguated record
John A. Herr
Also filed as: BROWN JACK · HERR JOHN · HERR JOHN A · HERR JOHN ADDISON
33 granted patents·623 citations·filing 1975–2000
98Inventor score
Top patents by PatentIndex Score
33 records- 0193US4092938ASewing machine with programmable memorySINGER CO·Filed 1976·Granted Jun 6, 1978·25 cites·14 claims
- 0292US6425718B1Direct multi-tension indicating washer having bumps of a first and second heightAPPLIED BOLTING TECHNOLOGY PRO·Filed 2000·Granted Jul 30, 2002·56 cites·11 claims
- 0391US5931618ADirect tension indicating washersAPPLIED BOLTING TECHNOLOGY PRO·Filed 1998·Granted Aug 3, 1999·67 cites·4 claims
- 0489US4185575ARamp speed integrated motor controller for sewing machinesSINGER CO·Filed 1979·Granted Jan 29, 1980·20 cites·6 claims
- 0589US4120254ADirect drive feed system for sewing machinesSINGER CO·Filed 1977·Granted Oct 17, 1978·17 cites·8 claims
- 0685US4150634AIntegrated motor controller for sewing machinesSINGER CO·Filed 1978·Granted Apr 24, 1979·15 cites·12 claims
- 0785US4048932ABight stop mechanism for sewing machinesSINGER CO·Filed 1976·Granted Sep 20, 1977·13 cites·5 claims
- 0883US4014275ASewing machine re-programmable memorySINGER CO·Filed 1975·Granted Mar 29, 1977·13 cites·11 claims
- 0982US4295118ALatching relay using Hall effect deviceSINGER CO·Filed 1980·Granted Oct 13, 1981·28 cites·6 claims
- 1080US5769581ADirect tension indicating washersAPPLIED BOLTING TECHNOLOGY PRO·Filed 1997·Granted Jun 23, 1998·58 cites·4 claims
- 1178US4396850ABrush board assembly for dynamoelectric machine with flat end commutatorSINGER CO·Filed 1982·Granted Aug 2, 1983·31 cites·2 claims
- 1276US4404488ABrush board assembly for dynamoelectric machineSINGER CO·Filed 1982·Granted Sep 13, 1983·29 cites·3 claims
- 1376US4063123ARotor winding improvementSINGER CO·Filed 1975·Granted Dec 13, 1977·27 cites·12 claims
- 1475US4107591AHall generator position sensing deviceSINGER CO·Filed 1977·Granted Aug 15, 1978·18 cites·4 claims
- 1574US4164192ASewing machine motor speed limiting by pattern selectionSINGER CO·Filed 1978·Granted Aug 14, 1979·9 cites·5 claims
- 1673US4092569AMultiple armature permanent magnet motor/actuatorsSINGER CO·Filed 1976·Granted May 30, 1978·7 cites·8 claims
- 1771US4266152AMethod of and apparatus for cooling electric motors and totally enclosed electric motors incorporating sameSINGER CO·Filed 1979·Granted May 5, 1981·22 cites·24 claims
- 1871US4154178AHigh density programming means for programmable sewing machineSINGER CO·Filed 1978·Granted May 15, 1979·17 cites·3 claims
- 1969US6152665ADirect tension indicating washersAPPLIED BOLTING TECHNOLOGY PRO·Filed 1999·Granted Nov 28, 2000·36 cites·13 claims
- 2068US4143606AMultiple armature permanent magnet motor/actuator for sewing machine drive and stitch controlSINGER CO·Filed 1977·Granted Mar 13, 1979·6 cites·5 claims
- 2165US4301978AElectro-magnetic thread tension control for sewing machinesSINGER CO·Filed 1979·Granted Nov 24, 1981·10 cites·1 claims
- 2265US3985087ASafety lockout system for sewing machinesSINGER CO·Filed 1975·Granted Oct 12, 1976·6 cites·20 claims
- 2363US4074642ASewing machine with programmable memorySINGER CO·Filed 1976·Granted Feb 21, 1978·12 cites·9 claims
- 2461US4163158ASewing machine bobbin thread run-out alarm using reflected lightSINGER CO·Filed 1978·Granted Jul 31, 1979·18 cites·9 claims
- 2560US4355255ABrushless direct current motor and control thereforSINGER CO·Filed 1979·Granted Oct 19, 1982·16 cites·7 claims
- 2659US4214539APosition sensing device for electronic sewing machineSINGER CO·Filed 1978·Granted Jul 29, 1980·5 cites·8 claims
- 2754US4016441ALinear motorSINGER CO·Filed 1976·Granted Apr 5, 1977·13 cites·8 claims
- 2850US4283647AAnnular segment permanent magnet single air gap electric motorSINGER CO·Filed 1979·Granted Aug 11, 1981·10 cites·4 claims
- 2946US4188896ADiaphragm pump for needle threadingSINGER CO·Filed 1978·Granted Feb 19, 1980·3 cites·7 claims
- 3042US4386291AMulti-level armature winding for single air gap motorSINGER CO·Filed 1981·Granted May 31, 1983·8 cites·8 claims
- 3141US4495430ABalanced armature winding for motorsSINGER CO·Filed 1979·Granted Jan 22, 1985·6 cites·5 claims
- 3235US4184443ADiaphragm pump for needle threadingSINGER CO·Filed 1979·Granted Jan 22, 1980·1 cites·1 claims
- 3335US3955516AMagnetic actuated sewing machine zigzag mechanismSINGER CO·Filed 1975·Granted May 11, 1976·1 cites·5 claims
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