Assignee
PFAFF HAUSHALTMASCH
DE·15 granted patents·113 citations·filing 1979–1991
Top patents by PatentIndex Score
15 records- 0184US4253715ASewing machine console having a lowering devicePFAFF HAUSHALTMASCH·Filed 1979·Granted Mar 3, 1981·14 cites·5 claims
- 0280US5195442AProcess and sewing machine for producing sewing patternsPFAFF HAUSHALTMASCH·Filed 1991·Granted Mar 23, 1993·16 cites·7 claims
- 0373US4432297ALow thread supply monitor in a sewing machinePFAFF HAUSHALTMASCH·Filed 1981·Granted Feb 21, 1984·10 cites·14 claims
- 0456US4625667ASewing machine with a step motor for feed controlPFAFF HAUSHALTMASCH·Filed 1984·Granted Dec 2, 1986·7 cites·5 claims
- 0552US4751888APulse generator for a sewing machine drivePFAFF HAUSHALTMASCH·Filed 1987·Granted Jun 21, 1988·6 cites·8 claims
- 0652US4317032APulse generator for variable-speed drivesPFAFF HAUSHALTMASCH·Filed 1979·Granted Feb 23, 1982·16 cites·8 claims
- 0745US4527496ASewing machine with a spooling mechanismPFAFF HAUSHALTMASCH·Filed 1984·Granted Jul 9, 1985·11 cites·5 claims
- 0843US4633796ASewing machine material feederPFAFF HAUSHALTMASCH·Filed 1985·Granted Jan 6, 1987·6 cites·4 claims
- 0939US4761591ARPM regulation of an electromotorPFAFF HAUSHALTMASCH·Filed 1987·Granted Aug 2, 1988·6 cites·17 claims
- 1036US4638752ASewing machine for producing a stitch patternPFAFF HAUSHALTMASCH·Filed 1985·Granted Jan 27, 1987·6 cites·7 claims
- 1136US4283666ASpeed control device for a home sewing machinePFAFF HAUSHALTMASCH·Filed 1979·Granted Aug 11, 1981·4 cites·6 claims
- 1235US5361714ASewing machine with electronic control devicePFAFF HAUSHALTMASCH·Filed 1990·Granted Nov 8, 1994·2 cites·6 claims
- 1331US4479077ASewing machine with a universal motorPFAFF HAUSHALTMASCH·Filed 1983·Granted Oct 23, 1984·3 cites·8 claims
- 1425US4417187ACircuit for controlling the speed of a motorPFAFF HAUSHALTMASCH·Filed 1981·Granted Nov 22, 1983·6 cites·4 claims
- 1524US5310968ADigitizing devicePFAFF HAUSHALTMASCH·Filed 1990·Granted May 10, 1994·0 cites·6 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →