Inventor · disambiguated record
Robert D. Vanderlaan
Also filed as: VANDERLAAN ROBERT D · VANDERLAAN ROBERT E
21 granted patents·2 pending applications·446 citations·filing 1974–2002
96Inventor score
Top patents by PatentIndex Score
23 records- 0188US4510403ALimited angle torque motor with magnetic centering and stopsPNEUMO CORP·Filed 1984·Granted Apr 9, 1985·37 cites·30 claims
- 0286US4382748AOpposed piston type free piston engine pump unitPNEUMO CORP·Filed 1980·Granted May 10, 1983·38 cites·51 claims
- 0385US4672992ADirect drive valve-ball drive mechanismPNEUMO CORP·Filed 1986·Granted Jun 16, 1987·36 cites·10 claims
- 0485US4533891ALimited angle torque motorPNEUMO CORP·Filed 1983·Granted Aug 6, 1985·32 cites·10 claims
- 0584US4825904ATwo position flow control valve assembly with position sensingPNEUMO ABEX CORP·Filed 1988·Granted May 2, 1989·48 cites·15 claims
- 0683US4507634AForce motor with null centering and null position biasPNEUMO CORP·Filed 1983·Granted Mar 26, 1985·25 cites·20 claims
- 0778US4600910ALimited angle torque motor with high torque output multiple coils and increased magnetic centering torquePNEUMO CORP·Filed 1984·Granted Jul 15, 1986·21 cites·16 claims
- 0876US4641812ADirect drive valve and force motor assembly including interchangeable stator assembly and alignment system or methodPNEUMO CORP·Filed 1985·Granted Feb 10, 1987·42 cites·20 claims
- 0974US5012144ALinear direct drive motorPNEUMO ABEX CORP·Filed 1989·Granted Apr 30, 1991·22 cites·50 claims
- 1069US4816707ALimited angle torque motor with wide rotation polesPNEUMO CORP·Filed 1985·Granted Mar 28, 1989·18 cites·17 claims
- 1166US4612526ATorque motor with high torque poles and magnetic centering spring adjustmentPNEUMO CORP·Filed 1984·Granted Sep 16, 1986·15 cites·30 claims
- 1265US5092178ADifferential pressure sensor mechanismsPNEUMO ABEX CORP·Filed 1989·Granted Mar 3, 1992·21 cites·37 claims
- 1359US4472998ARedundant control actuation system-concentric direct drive valvePNEUMO CORP·Filed 1982·Granted Sep 25, 1984·15 cites·52 claims
- 1454US4307999AFree piston engine pump including variable energy rate and acceleration-deceleration controlsPNEUMO CORP·Filed 1979·Granted Dec 29, 1981·11 cites·53 claims
- 1552US4466597AElectro-mechanical direct drive valve servo system with rotary to linear valve drive mechanismPNEUMO CORP·Filed 1981·Granted Aug 21, 1984·11 cites·30 claims
- 1649US4009642ADifferential pressure sensing valvePNEUMO CORP·Filed 1974·Granted Mar 1, 1977·9 cites·14 claims
- 1749US2003141330A1Defensive spray container holsterFiled 2002·Application pending·0 cites
- 1848US4596970ALimited angle torque motor with high stiffness and natural frequencyPNEUMO CORP·Filed 1984·Granted Jun 24, 1986·14 cites·17 claims
- 1948US4534273AControl actuation system including staged direct drive valve with fault controlPNEUMO CORP·Filed 1984·Granted Aug 13, 1985·8 cites·28 claims
- 2046US4645178ARedundant drive mechanisms for a direct drive valve and force motor assemblyPNEUMO ABEX CORP·Filed 1985·Granted Feb 24, 1987·11 cites·30 claims
- 2144US2003127471A1Defensive spray containerFiled 2002·Application pending·0 cites
- 2242US5004940ADirect drive valve force motor with gain shaping provisionPNEUMO ABEX CORP·Filed 1987·Granted Apr 2, 1991·10 cites·23 claims
- 2332US4548089AElectro-mechanical direct drive valve servo system with rotary to linear valve drive mechanismPNEUMO CORP·Filed 1984·Granted Oct 22, 1985·2 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →