Inventor · disambiguated record
Ralph E. Johnson
Also filed as: DAMAN LOUIS F · JOHNSON RALPH · JOHNSON RALPH E · JOHNSON RALPH EDWARD
32 granted patents·327 citations·filing 1976–1998
97Inventor score
Top patents by PatentIndex Score
32 records- 0194US4193361ASewing machine construction utilizing subassembliesSINGER CO·Filed 1978·Granted Mar 18, 1980·22 cites·6 claims
- 0285US4259914ABobbin winding mechanism for a sewing machineSINGER CO·Filed 1980·Granted Apr 7, 1981·14 cites·11 claims
- 0384US4263859AThread handling system for a sewing machineSINGER CO·Filed 1979·Granted Apr 28, 1981·14 cites·11 claims
- 0481US6249905B1Computerized accounting system implemented in an object-oriented programming environmentTOSHIBA KK·Filed 1998·Granted Jun 19, 2001·102 cites·25 claims
- 0578US4292906ARotatable loop taker and bobbin case assemblySINGER CO·Filed 1979·Granted Oct 6, 1981·10 cites·9 claims
- 0677US4341171AThread handling device for lockstitch sewing machinesSINGER CO·Filed 1981·Granted Jul 27, 1982·11 cites·9 claims
- 0777US4182250ABobbin thread control means for a lock stitch sewing machineSINGER CO·Filed 1979·Granted Jan 8, 1980·10 cites·5 claims
- 0874US4215639ASelectively controllable bobbin thread pull-off mechanismSINGER CO·Filed 1979·Granted Aug 5, 1980·9 cites·4 claims
- 0974US4095539ANeedle thread work limb retainersSINGER CO·Filed 1976·Granted Jun 20, 1978·9 cites·7 claims
- 1073US4278038ACombined needle guard and hook beak for a sewing machine hookSINGER CO·Filed 1979·Granted Jul 14, 1981·8 cites·5 claims
- 1171US4159003AConvertible work feeding device for sewing machinesSINGER CO·Filed 1978·Granted Jun 26, 1979·9 cites·7 claims
- 1270US4246855ACompensating needle bar connecting linkage for a sewing machineSINGER CO·Filed 1979·Granted Jan 27, 1981·8 cites·9 claims
- 1367US4091753ABobbin thread pull-off for lockstitch looptakerSINGER CO·Filed 1977·Granted May 30, 1978·8 cites·3 claims
- 1465US4437421AVariable pull off for bobbin threadSINGER CO·Filed 1982·Granted Mar 20, 1984·7 cites·5 claims
- 1563US4183310AFeed and loop taker module for a sewing machineSINGER CO·Filed 1978·Granted Jan 15, 1980·6 cites·15 claims
- 1663US4121527AHook drive for sewing machinesSINGER CO·Filed 1976·Granted Oct 24, 1978·6 cites·11 claims
- 1762US4178865AFinger guard for sewing machinesSINGER CO·Filed 1978·Granted Dec 18, 1979·6 cites·4 claims
- 1859US4288312ACathode and edge stick assemblyCOMINCO LTD·Filed 1979·Granted Sep 8, 1981·12 cites·14 claims
- 1957US4320712AThread handlingSINGER CO·Filed 1979·Granted Mar 23, 1982·5 cites·9 claims
- 2057US4241679AInertial thread snubbing device for a sewing machineSINGER CO·Filed 1980·Granted Dec 30, 1980·5 cites·7 claims
- 2146US4188895ANeedle bight control mechanismSINGER CO·Filed 1978·Granted Feb 19, 1980·4 cites·9 claims
- 2245US4215638ANeedle bar suspension means for a zig-zag sewing machineSINGER CO·Filed 1978·Granted Aug 5, 1980·3 cites·4 claims
- 2344US4413579ABobbin case retaining meansSINGER CO·Filed 1981·Granted Nov 8, 1983·3 cites·5 claims
- 2442US4714037ANeedle looper assembly for non-threaded needle lockstitchingSINGER CO·Filed 1981·Granted Dec 22, 1987·3 cites·5 claims
- 2541US4127076ANeedle bar frame for a sewing machineSINGER CO·Filed 1977·Granted Nov 28, 1978·2 cites·6 claims
- 2640US5686786ALight bulb with glass envelope having light transmission of a wavelength only up to 700mmILLUMINATION TECHNOLOGY INC·Filed 1995·Granted Nov 11, 1997·7 cites·21 claims
- 2739US7106002B1Light bulb with glass envelope having light transmission of a wavelength only up to 700 nmILLUMINATION TECHNOLOGY INC·Filed 1997·Granted Sep 12, 2006·7 cites·10 claims
- 2836US5382874ASelf-aligning light directing surface mountable miniature incandescent lampILLUMINATION TECHNOLOGY INC·Filed 1992·Granted Jan 17, 1995·6 cites·18 claims
- 2936US5138226ASurface mountable miniature incandescent lightILLUMINATION TECHNOLOGY INC·Filed 1991·Granted Aug 11, 1992·7 cites·20 claims
- 3036US4132454AThree position sewing machine cabinet platformSINGER CO·Filed 1977·Granted Jan 2, 1979·2 cites·6 claims
- 3135US4213410AAdjustable hook for a sewing machineSINGER CO·Filed 1979·Granted Jul 22, 1980·1 cites·2 claims
- 3234US4131076ASewing machine work feeding mechanismSINGER CO·Filed 1977·Granted Dec 26, 1978·1 cites·4 claims
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