Inventor · disambiguated record
Carl E. Bohman
Also filed as: BOHMAN CARL · BOHMAN CARL E · BOHMAN JR CARL
31 granted patents·1 pending application·1,469 citations·filing 1975–2022
98Inventor score
Files withFORD NEW HOLLAND INC13SPERRY CORP9SPERRY RAND CORP3NEW HOLLAND NORTH AMERICA INC2BOHMAN CARL1
Top patents by PatentIndex Score
32 records- 0199US4918441ANon-contact sensing unit for row crop harvester guidance systemFORD NEW HOLLAND INC·Filed 1988·Granted Apr 17, 1990·237 cites·20 claims
- 0298US4527241AAutomatic combine harvester adjustment systemSPERRY CORP·Filed 1982·Granted Jul 2, 1985·189 cites·17 claims
- 0397US5359836AAgricultural harvester with closed loop header controlCONTROL CONCEPTS·Filed 1993·Granted Nov 1, 1994·158 cites·12 claims
- 0495US4042132ASpout control apparatus for agricultural machinesSPERRY RAND CORP·Filed 1976·Granted Aug 16, 1977·110 cites·8 claims
- 0593US4275546AStone discriminatorSPERRY CORP·Filed 1980·Granted Jun 30, 1981·51 cites·13 claims
- 0691US4376609AAutomatic spout control for agricultural machinesSPERRY CORP·Filed 1980·Granted Mar 15, 1983·59 cites·10 claims
- 0790US6092745ASite-specific control system for manure spreaderNEW HOLLAND NORTH AMERICA INC·Filed 1998·Granted Jul 25, 2000·82 cites·24 claims
- 0889US4844675ABale accumulator with automatic controlFORD NEW HOLLAND INC·Filed 1987·Granted Jul 4, 1989·55 cites·13 claims
- 0987US3972156ASpeed-independent static magnetic field metal detectorSPERRY RAND CORP·Filed 1975·Granted Aug 3, 1976·45 cites·10 claims
- 1083US4799625AMethod and apparatus for adjusting a shear bar relative to a cutter headFORD NEW HOLLAND INC·Filed 1987·Granted Jan 24, 1989·71 cites·12 claims
- 1182US4639666AMetal detector sensitivity adjustment and test assemblyNEW HOLLAND INC·Filed 1984·Granted Jan 27, 1987·38 cites·18 claims
- 1277US4389154ATime delay for a seat switch activated loader boom lockSPERRY CORP·Filed 1981·Granted Jun 21, 1983·32 cites·6 claims
- 1376US4433528AMetal detector apparatusSPERRY CORP·Filed 1982·Granted Feb 28, 1984·30 cites·6 claims
- 1473US4929904AMoisture sensing apparatus with movable probe in combination with an agricultural baler having a pickupFORD NEW HOLLAND INC·Filed 1989·Granted May 29, 1990·41 cites·10 claims
- 1573US4077488AGuidance assist system for agricultural machinesSPERRY RAND CORP·Filed 1976·Granted Mar 7, 1978·30 cites·11 claims
- 1671US4883964AOptical method and apparatus for discriminating between crop stalks and weed stalks in a non-contact row crop harvester guidance systemFORD NEW HOLLAND INC·Filed 1988·Granted Nov 28, 1989·25 cites·6 claims
- 1768US4344074AMagnetic field producing apparatusSPERRY CORP·Filed 1981·Granted Aug 10, 1982·23 cites·3 claims
- 1867US4805385AVariable sensitivity metal detection systemFORD NEW HOLLAND INC·Filed 1987·Granted Feb 21, 1989·22 cites·9 claims
- 1963US12436191B2Authenticating electronic devices via multi tone analysisUS GOV AIR FORCE·Filed 2022·Granted Oct 7, 2025·0 cites·11 claims
- 2063US4305244AFeeder house design for a combineSPERRY CORP·Filed 1980·Granted Dec 15, 1981·20 cites·8 claims
- 2161US4609984AAutomatic baler with manual override of microprocessor controlled functionsSPERRY CORP·Filed 1984·Granted Sep 2, 1986·13 cites·8 claims
- 2261US4603379ASynchronization input for time based sequence controllerSPERRY CORP·Filed 1984·Granted Jul 29, 1986·13 cites·7 claims
- 2359US5092818AMetal and hard object detectors with shared fixed support inside a feed rollFORD NEW HOLLAND INC·Filed 1990·Granted Mar 3, 1992·23 cites·14 claims
- 2457US4955437AUnderground electromagnetic tillage depth sensorFORD NEW HOLLAND INC·Filed 1990·Granted Sep 11, 1990·21 cites·23 claims
- 2557US4854113ADigital noise cancellation in a metal detectorFORD NEW HOLLAND INC·Filed 1987·Granted Aug 8, 1989·18 cites·16 claims
- 2651US5033031AUnderground ultrasonic tillage depth sensorFORD NEW HOLLAND·Filed 1990·Granted Jul 16, 1991·18 cites·23 claims
- 2751US2008148829A1Method and device for operating a drive unitBOHMAN CARL·Filed 2007·Application pending·0 cites
- 2850US5070682AAcoustic detector with start-up controlFORD NEW HOLLAND INC·Filed 1990·Granted Dec 10, 1991·18 cites·10 claims
- 2941US4788813AMetal detection in the vicinity of ferrous boundariesFORD NEW HOLLAND INC·Filed 1988·Granted Dec 6, 1988·8 cites·8 claims
- 3037US5078645AMethod and apparatus for hard object detectionFORD NEW HOLLAND INC·Filed 1990·Granted Jan 7, 1992·9 cites·16 claims
- 3136USRE34946EMethod and apparatus for adjusting a shear bar relative to a cutter headNEW HOLLAND NORTH AMERICA INC·Filed 1992·Granted May 23, 1995·6 cites·2 claims
- 3233US4883965AMethod and apparatus for discriminating between stalks and leaves in a non-contact row crop harvester guidance systemFORD NEW HOLLAND INC·Filed 1988·Granted Nov 28, 1989·4 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →