Assignee
BALDWIN PIANO & ORGAN CO
43 granted patents·610 citations·filing 1978–2000
Top patents by PatentIndex Score
43 records- 0195US4381690ACymbal standBALDWIN PIANO & ORGAN CO·Filed 1981·Granted May 3, 1983·53 cites·18 claims
- 0294US4218950AActive ladder filter for voicing electronic musical instrumentsBALDWIN PIANO & ORGAN CO·Filed 1979·Granted Aug 26, 1980·47 cites·6 claims
- 0393US4248123AElectronic pianoBALDWIN PIANO & ORGAN CO·Filed 1979·Granted Feb 3, 1981·87 cites·12 claims
- 0491USD259199SElectric guitarBALDWIN PIANO & ORGAN CO·Filed 1979·Granted May 12, 1981·25 cites·1 claims
- 0584US4412470ASystem for communicating data among microcomputers in an electronic musical instrumentBALDWIN PIANO & ORGAN CO·Filed 1981·Granted Nov 1, 1983·25 cites·14 claims
- 0678US6232537B1Piano action with articulated jackBALDWIN PIANO & ORGAN CO·Filed 2000·Granted May 15, 2001·21 cites·28 claims
- 0777US5567902AMethod and apparatus for optically sensing the position and velocity of piano keysBALDWIN PIANO & ORGAN CO·Filed 1995·Granted Oct 22, 1996·58 cites·25 claims
- 0873USD254792SElectric guitarBALDWIN PIANO & ORGAN CO·Filed 1978·Granted Apr 22, 1980·16 cites·1 claims
- 0968US4449437AAutomatic pianoBALDWIN PIANO & ORGAN CO·Filed 1981·Granted May 22, 1984·13 cites·47 claims
- 1066US4211142ASound reflector for grand pianosBALDWIN PIANO & ORGAN CO·Filed 1978·Granted Jul 8, 1980·16 cites·14 claims
- 1164US4381691ATouch force adjustment means for a pianoBALDWIN PIANO & ORGAN CO·Filed 1981·Granted May 3, 1983·21 cites·17 claims
- 1263US5866831ASimulated piano action apparatus for electronic keyboardBALDWIN PIANO & ORGAN CO·Filed 1997·Granted Feb 2, 1999·23 cites·22 claims
- 1362US4383465ASpace-wrapped strings for musical instrumentsBALDWIN PIANO & ORGAN CO·Filed 1981·Granted May 17, 1983·17 cites·10 claims
- 1462US4379422APolyphonic electronic music systemBALDWIN PIANO & ORGAN CO·Filed 1982·Granted Apr 12, 1983·9 cites·16 claims
- 1561US4367954ADeveloping device for copierBALDWIN PIANO & ORGAN CO·Filed 1981·Granted Jan 11, 1983·13 cites·8 claims
- 1660USD266525SBass drumBALDWIN PIANO & ORGAN CO·Filed 1980·Granted Oct 12, 1982·7 cites·1 claims
- 1760US4292874AAutomatic control apparatus for chords and sequencesBALDWIN PIANO & ORGAN CO·Filed 1979·Granted Oct 6, 1981·16 cites·40 claims
- 1857US4384505AChorus generator systemBALDWIN PIANO & ORGAN CO·Filed 1980·Granted May 24, 1983·19 cites·16 claims
- 1953US4343219ADelay line oscillatorBALDWIN PIANO & ORGAN CO·Filed 1980·Granted Aug 10, 1982·15 cites·5 claims
- 2052US5844154ACombination acoustic and electronic piano in which the acoustic action is disabled when played in the electronic modeBALDWIN PIANO & ORGAN CO·Filed 1996·Granted Dec 1, 1998·17 cites·16 claims
- 2151US4387618AHarmony generator for electronic organBALDWIN PIANO & ORGAN CO·Filed 1980·Granted Jun 14, 1983·13 cites·22 claims
- 2251US4361066ATempo measurement, display, and control system for an electronic musical instrumentBALDWIN PIANO & ORGAN CO·Filed 1981·Granted Nov 30, 1982·6 cites·8 claims
- 2349US4444081AArpeggio generating system and methodBALDWIN PIANO & ORGAN CO·Filed 1982·Granted Apr 24, 1984·6 cites·32 claims
- 2449US4348931ASimulating wind noise in electronic organs using digital noise generatorsBALDWIN PIANO & ORGAN CO·Filed 1980·Granted Sep 14, 1982·6 cites·26 claims
- 2543US4389914AChord identification system for electronic musical instrumentsBALDWIN PIANO & ORGAN CO·Filed 1981·Granted Jun 28, 1983·4 cites·6 claims
- 2642US4655113ARythm rate and tempo monitor for electronic musical instruments having automatic rhythm accompanimentBALDWIN PIANO & ORGAN CO·Filed 1982·Granted Apr 7, 1987·9 cites·11 claims
- 2741US4279189ABass drum spur and stabilizer assemblyBALDWIN PIANO & ORGAN CO·Filed 1980·Granted Jul 21, 1981·7 cites·7 claims
- 2840US4602548ATone compensator for piano soundboardsBALDWIN PIANO & ORGAN CO·Filed 1985·Granted Jul 29, 1986·7 cites·14 claims
- 2939US5539142ACombined acoustic and electronic piano in which the acoustic action is disabled when played in the electronic modeBALDWIN PIANO & ORGAN CO·Filed 1995·Granted Jul 23, 1996·12 cites·44 claims
- 3038USD262888SOrganBALDWIN PIANO & ORGAN CO·Filed 1979·Granted Feb 2, 1982·1 cites·1 claims
- 3136US4387623AParallel motion linkage for the sliding keyboard cover of a pianoBALDWIN PIANO & ORGAN CO·Filed 1981·Granted Jun 14, 1983·6 cites·8 claims
- 3234US5945613ACombination acoustic and electronic piano in which the acoustic action is disabled when played in the electronic modeBALDWIN PIANO & ORGAN CO·Filed 1998·Granted Aug 31, 1999·4 cites·10 claims
- 3334USD266852SOrganBALDWIN PIANO & ORGAN CO·Filed 1981·Granted Nov 9, 1982·1 cites·1 claims
- 3433US4674386AAugmented bass hammer striking distance for pianosBALDWIN PIANO & ORGAN CO·Filed 1985·Granted Jun 23, 1987·4 cites·12 claims
- 3532USD273015SOrganBALDWIN PIANO & ORGAN CO·Filed 1981·Granted Mar 13, 1984·0 cites·1 claims
- 3632USD272746SOrganBALDWIN PIANO & ORGAN CO·Filed 1981·Granted Feb 21, 1984·0 cites·1 claims
- 3732US4296667ACapture combination action system for electronic organsBALDWIN PIANO & ORGAN CO·Filed 1980·Granted Oct 27, 1981·2 cites·26 claims
- 3830US4731729AElectronic digital dual sequential timing control apparatus for environmental systemsBALDWIN PIANO & ORGAN CO·Filed 1986·Granted Mar 15, 1988·2 cites·1 claims
- 3929US4442746AElectronic organ having an improved tone generator systemBALDWIN PIANO & ORGAN CO·Filed 1980·Granted Apr 17, 1984·0 cites·12 claims
- 4029US4400668APeriod proportional two-phase voltage controlled oscillatorBALDWIN PIANO & ORGAN CO·Filed 1981·Granted Aug 23, 1983·0 cites·3 claims
- 4129US4388850AMultiple octave generator tuning systemBALDWIN PIANO & ORGAN CO·Filed 1980·Granted Jun 21, 1983·0 cites·4 claims
- 4228US4279187ADigital arpeggio system for electronic musical instrumentBALDWIN PIANO & ORGAN CO·Filed 1980·Granted Jul 21, 1981·2 cites·16 claims
- 4319US4276803AStop tab for capture combination action systems used in electronic organsBALDWIN PIANO & ORGAN CO·Filed 1980·Granted Jul 7, 1981·0 cites·9 claims
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