Inventor · disambiguated record
Harold Allen
Also filed as: ALLEN HAROLD · ALLEN HAROLD T
18 granted patents·2 pending applications·560 citations·filing 1980–2020
96Inventor score
Top patents by PatentIndex Score
20 records- 0196US5787928AValve structureRANSBURG CORP·Filed 1995·Granted Aug 4, 1998·112 cites·22 claims
- 0292US5944045ASolvent circuitRANSBURG CORP·Filed 1995·Granted Aug 31, 1999·54 cites·19 claims
- 0389US8091397B1Compact roll grooving apparatus with adjustable mounting and extended backup roller shaftALLEN HAROLD·Filed 2009·Granted Jan 10, 2012·13 cites·12 claims
- 0489US5051044APipe drilling apparatusALLEN HAROLD·Filed 1990·Granted Sep 24, 1991·68 cites·25 claims
- 0587US5632816AVoltage blockRANSBURG CORP·Filed 1995·Granted May 27, 1997·40 cites·34 claims
- 0682US5465455AOverload controlled wet and dry vacuum apparatusFiled 1994·Granted Nov 14, 1995·57 cites·7 claims
- 0778US4447008AAtomizing device motorRANSBURG CORP·Filed 1982·Granted May 8, 1984·37 cites·3 claims
- 0875US5746831AVoltage blockRANSBURG CORP·Filed 1995·Granted May 5, 1998·25 cites·34 claims
- 0974US6964382B2Grip cover for coating dispensing device hand gripILLINOIS TOOL WORKS·Filed 2003·Granted Nov 15, 2005·23 cites·17 claims
- 1074US6854672B2Air-assisted air valve for air atomized spray gunsILLINOIS TOOL WORKS·Filed 2002·Granted Feb 15, 2005·22 cites·24 claims
- 1170US4381079AAtomizing device motorRANSBURG CORP·Filed 1980·Granted Apr 26, 1983·29 cites·11 claims
- 1267US6322011B1Electrostatic coating system and dual lip bell cup thereforILLINOIS TOOL WORKS·Filed 2000·Granted Nov 27, 2001·16 cites·19 claims
- 1364US6470579B2Position and angle indicating toolFiled 2000·Granted Oct 29, 2002·20 cites·19 claims
- 1459US5725150AMethod and system for an improved voltage blockILLINOIS TOOL WORKS·Filed 1996·Granted Mar 10, 1998·25 cites·8 claims
- 1557US11883976B2Wedge holder for log splittingALLEN HAROLD·Filed 2020·Granted Jan 30, 2024·0 cites·20 claims
- 1657US6516826B2Hydraulic flow valveFiled 2001·Granted Feb 11, 2003·7 cites·4 claims
- 1745US6423143B1Voltage block monitoring systemILLINOIS TOOL WORKS·Filed 1999·Granted Jul 23, 2002·12 cites·8 claims
- 1842US11170596B2Real-time location of an object using multiple electrical devicesSIGNIFY HOLDING BV·Filed 2019·Granted Nov 9, 2021·0 cites·13 claims
- 1941US2002157605A1Voltage block monitoring systemFiled 2002·Application pending·0 cites
- 2040US2009078017A1Roll grooving apparatusALLEN HAROLD·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →