Inventor · disambiguated record
John H. Chapman
Also filed as: CHAPMAN JOHN H
23 granted patents·1,987 citations·filing 1975–2021
97Inventor score
Top patents by PatentIndex Score
23 records- 0196US5879375AImplantable device monitoring arrangement and methodELECTRIC BOAT CORP·Filed 1995·Granted Mar 9, 1999·361 cites·27 claims
- 0295US5676651ASurgically implantable pump arrangement and method for pumping body fluidsELECTRIC BOAT CORP·Filed 1994·Granted Oct 14, 1997·303 cites·45 claims
- 0395US4227920AMethods of clay beneficationYARA ENGINEERING CORP·Filed 1978·Granted Oct 14, 1980·62 cites·13 claims
- 0494US5722930AReciprocating pump circulatory assist arrangementELECTRIC BOAT CORP·Filed 1995·Granted Mar 3, 1998·272 cites·17 claims
- 0590US6837757B2Rim-driven propulsion pod arrangementELECTRIC BOAT CORP·Filed 2002·Granted Jan 4, 2005·47 cites·17 claims
- 0689US5693091AArtificial heart and method of maintaining blood flowELECTRIC BOAT CORP·Filed 1995·Granted Dec 2, 1997·191 cites·15 claims
- 0789US5676162AReciprocating pump and linear motor arrangementELECTRIC BOAT CORP·Filed 1995·Granted Oct 14, 1997·186 cites·18 claims
- 0886US6232731B1Multi-channel motor winding configuration and pulse width modulated controllerELECTRIC BOAT CORP·Filed 1997·Granted May 15, 2001·57 cites·23 claims
- 0983US5702430ASurgically implantable power supplyELECTRIC BOAT CORP·Filed 1995·Granted Dec 30, 1997·132 cites·2 claims
- 1078US5913812ASteam seal air removal systemELECTRIC BOAT CORP·Filed 1997·Granted Jun 22, 1999·31 cites·5 claims
- 1177US6152791AExternal electric drive propulsion module arrangement for swath vesselsELECTRIC BOAT CORP·Filed 1999·Granted Nov 28, 2000·22 cites·11 claims
- 1275US6005315AFault-tolerant magnetic bearing control system architectureELECTRIC BOAT CORP·Filed 1998·Granted Dec 21, 1999·25 cites·2 claims
- 1373US5925957AFault-tolerant magnetic bearing control system architectureELECTRIC BOAT CORP·Filed 1997·Granted Jul 20, 1999·23 cites·8 claims
- 1470US5758666AReciprocating pump with imperforate pistonELECTRIC BOAT CORP·Filed 1995·Granted Jun 2, 1998·78 cites·5 claims
- 1565US5843129AElectrical circuit for equipment requiring redundant flow paths and method of useELECTRIC BOAT CORP·Filed 1995·Granted Dec 1, 1998·61 cites·3 claims
- 1661US11519508B1Mixed regime passive valveUS NAVY·Filed 2021·Granted Dec 6, 2022·0 cites·19 claims
- 1759US5941506ASteam seal air removal systemELECTRIC BOAT CORP·Filed 1997·Granted Aug 24, 1999·27 cites·2 claims
- 1858US5722429AConnecting arrangement for medical deviceELECTRIC BOAT CORP·Filed 1995·Granted Mar 3, 1998·44 cites·8 claims
- 1955US5749227ASteam seal air removal systemELECTRIC BOAT CORP·Filed 1995·Granted May 12, 1998·24 cites·14 claims
- 2052US6082670AMethod and arrangement for fluidborne vehicle propulsion and drag reductionELECTRIC BOAT CORP·Filed 1997·Granted Jul 4, 2000·23 cites·35 claims
- 2138US6203388B1Integrated external electric drive propulsion module arrangement for surface shipsELECTRIC BOAT CORP·Filed 1999·Granted Mar 20, 2001·5 cites·6 claims
- 2235US3986290AWeedless fish hookCHAPMAN JOHN H·Filed 1975·Granted Oct 19, 1976·8 cites·4 claims
- 2331US6217399B1Propulsion arrangement for axisymmetric fluid-borne vehiclesELECTRIC BOAT CORP·Filed 1999·Granted Apr 17, 2001·5 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →