Inventor · disambiguated record
Erich Willenbacher
Also filed as: WILLENBACHER ERICH
35 granted patents·401 citations·filing 1974–1989
97Inventor score
Top patents by PatentIndex Score
35 records- 0196US4495877ASewing machine equipped for producing shaped seamsPFAFF IND MASCH·Filed 1983·Granted Jan 29, 1985·31 cites·11 claims
- 0292US4658741AMethod and apparatus for determining the amount of advance of a plurality of material pliesPFAFF IND MASCH·Filed 1986·Granted Apr 21, 1987·55 cites·19 claims
- 0389US3954071ASewing machine having top and bottom feed synchronizing meansPFAFF IND MASCH·Filed 1974·Granted May 4, 1976·34 cites·6 claims
- 0485US5103749AProcess and sewing machine for sewing together layers of fabric according to a patternPFAFF IND MASCH·Filed 1989·Granted Apr 14, 1992·17 cites·7 claims
- 0585US4805544ASewing machine with thread monitor for the bobbin threadPFAFF IND MASCH·Filed 1988·Granted Feb 21, 1989·16 cites·13 claims
- 0685US4034689ADevice for manufacturing braided openings in cuts of articles of clothingPFAFF IND MASCH·Filed 1976·Granted Jul 12, 1977·17 cites·10 claims
- 0778US4739718AMethod and apparatus for sewing a waistband and applying it to a garmentPFAFF IND MASCH·Filed 1987·Granted Apr 26, 1988·17 cites·13 claims
- 0877US4423690ASewing machine for producing curved edge parallel seamsPFAFF IND MASCH·Filed 1981·Granted Jan 3, 1984·11 cites·12 claims
- 0976US4732098AThread monitor for the bottom thread in the bobbin of a sewing machinePFAFF IND MASCH·Filed 1986·Granted Mar 22, 1988·11 cites·2 claims
- 1072US5237944AStitch-forming machine with a transducer and a control devicePFAFF AG G M·Filed 1989·Granted Aug 24, 1993·20 cites·14 claims
- 1171US4067275ADevice for sewing machines for displacing sewn material for a short period of timePFAFF IND MASCH·Filed 1976·Granted Jan 10, 1978·8 cites·7 claims
- 1269US5027730ASewing machine with a thread monitor for the thread of the bobbinPFAFF IND MASCH·Filed 1987·Granted Jul 2, 1991·9 cites·14 claims
- 1369US4296700ADevice for the automatic guiding of a workpiece on a sewing machinePFAFF IND MASCH·Filed 1980·Granted Oct 27, 1981·14 cites·4 claims
- 1466US4036156ADevice for sewing together plies of material adjusted to equal lengthsPFAFF IND MASCH·Filed 1975·Granted Jul 19, 1977·8 cites·10 claims
- 1564US4526117ASewing machine material guiding devicePFAFF IND MASCH·Filed 1984·Granted Jul 2, 1985·6 cites·11 claims
- 1663US4524703AThread changing mechanism for sewing machinesPFAFF IND MASCH·Filed 1984·Granted Jun 25, 1985·10 cites·9 claims
- 1762US4968018ADevice for separating, delivering and depositing blanksPFAFF IND MASCH·Filed 1989·Granted Nov 6, 1990·18 cites·9 claims
- 1862US4681051AGuide device for the workpiece of a sewing machinePFAFF IND MASCH·Filed 1986·Granted Jul 21, 1987·25 cites·8 claims
- 1962US4681048ASewing machine and method for controlling the motion of a workholderPFAFF IND MASCH·Filed 1986·Granted Jul 21, 1987·7 cites·8 claims
- 2062US4677926APositioning device for sewing machine main shaftPFAFF IND MASCH·Filed 1986·Granted Jul 7, 1987·7 cites·5 claims
- 2158US4114546ASewing machine with a workpiece guide mechanismPFAFF IND MASCH·Filed 1977·Granted Sep 19, 1978·6 cites·2 claims
- 2258US4112859AAuxiliary sewing machine support table for use with a sewing machine tablePFAFF IND MASCH·Filed 1977·Granted Sep 12, 1978·5 cites·8 claims
- 2357US4075954ADevice for making braid openings in cuts of garmentsPFAFF IND MASCH·Filed 1976·Granted Feb 28, 1978·8 cites·7 claims
- 2454US3930453AMeans for producing piping openings in blanks of garmentsPFAFF IND MASCH·Filed 1974·Granted Jan 6, 1976·7 cites·11 claims
- 2553US4677924ASewing machine housing constructionPFAFF IND MASCH·Filed 1986·Granted Jul 7, 1987·5 cites·9 claims
- 2653US4140068AGuiding device for sewing materialPFAFF IND MASCH·Filed 1977·Granted Feb 20, 1979·5 cites·10 claims
- 2751US4376415ADevice for sewing workpiece plies together in contour alignmentPFAFF IND MASCH·Filed 1981·Granted Mar 15, 1983·4 cites·10 claims
- 2849US4126097ASewing machine having a guiding device for the production of edge-parallel seamsPFAFF IND MASCH·Filed 1977·Granted Nov 21, 1978·5 cites·7 claims
- 2948US4067271AWorkpiece guiding device for sewing machinesPFAFF IND MASCH·Filed 1976·Granted Jan 10, 1978·4 cites·13 claims
- 3046US4546712ASewing machine having the needle holder magazine with automatic coupling and decoupling of thread containing needles and needle holdersPFAFF IND MASCH·Filed 1984·Granted Oct 15, 1985·7 cites·16 claims
- 3138US4589363ASewing machine for automatically making edge-parallel seamsPFAFF IND MASCH·Filed 1985·Granted May 20, 1986·2 cites·10 claims
- 3235US4340001ASewing machine with work guiding devicePFAFF IND MASCH·Filed 1980·Granted Jul 20, 1982·1 cites·8 claims
- 3331US4561368ASewing machine having the needle holder magazine with automatic coupling and decoupling of thread containing needles and needle holdersPFAFF IND MASCH·Filed 1985·Granted Dec 31, 1985·1 cites·3 claims
- 3428US4195830AGuiding device for sewing materialPFAFF IND MASCH·Filed 1978·Granted Apr 1, 1980·0 cites·5 claims
- 3522USD297541SSewing machinePFAFF IND·Filed 1986·Granted Sep 6, 1988·0 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →