Inventor · disambiguated record
Ronald J. Hoffman
Also filed as: HOFFMAN RONALD · HOFFMAN RONALD J · HOFFMAN RONALD JOEL · HOFFMANN RONALD J
69 granted patents·13 pending applications·1,049 citations·filing 1974–2025
99Inventor score
Files withTECHTRONIC CORDLESS GP21XYRON INC11TTI MACAO COMMERCIAL OFFSHORE LTD8DOW CHEMICAL CO6HOFFMAN RONALD J5
Top patents by PatentIndex Score
82 records- 0199US7861679B2Cylinder and piston assemblies for opposed piston enginesACHATES POWER INC·Filed 2009·Granted Jan 4, 2011·91 cites·20 claims
- 0299US7360511B2Opposed piston engineACHATES POWER INC·Filed 2006·Granted Apr 22, 2008·54 cites·44 claims
- 0397US5421292ACylinder head assemblyRYOBI OUTDOOR PRODUCTS INC·Filed 1993·Granted Jun 6, 1995·61 cites·44 claims
- 0496US11434929B2Blowers having noise reduction featuresTECHTRONIC CORDLESS GP·Filed 2020·Granted Sep 6, 2022·6 cites·24 claims
- 0596US10947983B2Axial fan blowerTTI MACAO COMMERCIAL OFFSHORE LTD·Filed 2019·Granted Mar 16, 2021·10 cites·15 claims
- 0696US5841361AKeyless locking systemFiled 1996·Granted Nov 24, 1998·119 cites·19 claims
- 0794US11841023B2Blowers having noise reduction featuresTECHTRONIC CORDLESS GP·Filed 2022·Granted Dec 12, 2023·3 cites·17 claims
- 0893US7591235B2Opposed piston engine with piston complianceACHATES POWER INC·Filed 2008·Granted Sep 22, 2009·15 cites·19 claims
- 0993US5087883ADifferential conductivity meter for fluids and products containing such metersMR COFFEE INC·Filed 1990·Granted Feb 11, 1992·119 cites·14 claims
- 1092US4894302AAlkaline earth metal anode-containing cell having electrolyte of organometallic alkaline earth metal salt and organic solventDOW CHEMICAL CO·Filed 1986·Granted Jan 16, 1990·82 cites·11 claims
- 1191US8276552B2Opposed piston engineLEMKE JAMES U·Filed 2010·Granted Oct 2, 2012·6 cites·21 claims
- 1290US11817073B2Power tool having noise reduction featuresTECHTRONIC CORDLESS GP·Filed 2021·Granted Nov 14, 2023·2 cites·20 claims
- 1389US10897858B2Blower/mulcherTTI MACAO COMMERCIAL OFFSHORE LTD·Filed 2018·Granted Jan 26, 2021·6 cites·20 claims
- 1488US11946490B2Blower vacuumTECHTRONIC CORDLESS GP·Filed 2023·Granted Apr 2, 2024·1 cites·19 claims
- 1588US9606522B2Device for controlling a coffee makerHOFFMAN RONALD J·Filed 2013·Granted Mar 28, 2017·12 cites·42 claims
- 1686US5363723AAngle gear driveRYOBI OUTDOOR PRODUCTS INC·Filed 1993·Granted Nov 15, 1994·37 cites·5 claims
- 1785US11905711B2Gutter cleaners and methods associated therewithTECHTRONIC CORDLESS GP·Filed 2021·Granted Feb 20, 2024·2 cites·18 claims
- 1885US11503763B2Trimmer head assembly for a trimmerTECHTRONIC CORDLESS GP·Filed 2020·Granted Nov 22, 2022·2 cites·20 claims
- 1985US3958231ASequential time-base lock systemHOFFMAN RONALD J·Filed 1974·Granted May 18, 1976·31 cites·10 claims
- 2084US11185198B2Blowers with variable nozzlesTTI MACAO COMMERCIAL OFFSHORE LTD·Filed 2019·Granted Nov 30, 2021·3 cites·19 claims
- 2183US6698487B2Master processing apparatusXYRON INC·Filed 2001·Granted Mar 2, 2004·18 cites·8 claims
- 2281US11045937B2Coupler for split-boom power toolTECHTRONIC CORDLESS GP·Filed 2019·Granted Jun 29, 2021·3 cites·20 claims
- 2381US10306830B2Winding mechanism for a string trimmer headTTI MACAO COMMERCIAL OFFSHORE LTD·Filed 2017·Granted Jun 4, 2019·5 cites·11 claims
- 2481US6843296B2Master processing apparatusXYRON INC·Filed 2003·Granted Jan 18, 2005·18 cites·18 claims
- 2580US12215717B2Blower vacuumTECHTRONIC CORDLESS GP·Filed 2024·Granted Feb 4, 2025·0 cites·13 claims
- 2680US5564374ACam carrier for an internal combustion engineRYOBI OUTDOOR PRODUCTS INC·Filed 1995·Granted Oct 15, 1996·24 cites·8 claims
- 2780USD278024STab top can openerTHE RON HOFFMAN GROUP INC·Filed 1983·Granted Mar 19, 1985·27 cites·1 claims
- 2878US12477978B2Power tool and accessory mount deviceTECHTRONIC CORDLESS GP·Filed 2022·Granted Nov 25, 2025·0 cites·16 claims
- 2978US12288544B2Power tool having noise reduction featuresTECHTRONIC CORDLESS GP·Filed 2023·Granted Apr 29, 2025·0 cites·18 claims
- 3078US7503740B2Punching and binding system and elements thereofESSELTE·Filed 2005·Granted Mar 17, 2009·5 cites·21 claims
- 3178US2025215741A1Power tool having noise reduction featuresTECHTRONIC CORDLESS GP·Filed 2025·Application pending·0 cites
- 3275US12356888B2Dual function power toolTECHTRONIC CORDLESS GP·Filed 2022·Granted Jul 15, 2025·0 cites·20 claims
- 3374US5072095AVessel warmer utilizing timer reset means responsive to removal of vesselMR COFFEE INC·Filed 1990·Granted Dec 10, 1991·33 cites·6 claims
- 3474US2025311668A1Dual Function Power ToolTECHTRONIC CORDLESS GP·Filed 2025·Application pending·0 cites
- 3572US7748941B2Punching and binding system and elements thereofESSELTE BUSINESS BVBA·Filed 2009·Granted Jul 6, 2010·1 cites·21 claims
- 3671US7628103B2Punching and binding systems and elements thereofESSELTE·Filed 2005·Granted Dec 8, 2009·3 cites·23 claims
- 3771US6814693B2Master processing apparatusXYRON INC·Filed 2003·Granted Nov 9, 2004·5 cites·4 claims
- 3870US11331176B2Extraoral suction device and system for managing aerosol emissions during dental proceduresHOFFMAN RONALD·Filed 2020·Granted May 17, 2022·1 cites·19 claims
- 3970US4900854AProcess for the preparation of asymmetrical alkaline earth metal organoborates, organoaluminates, organoarsenates, and organophosphatesDOW CHEMICAL CO·Filed 1988·Granted Feb 13, 1990·10 cites·6 claims
- 4069US5293847APowdered metal camshaft assemblyHOFFMAN RONALD J·Filed 1993·Granted Mar 15, 1994·22 cites·13 claims
- 4168US6868889B2Substrate processing apparatusXYRON INC·Filed 2002·Granted Mar 22, 2005·8 cites·18 claims
- 4268USD290197SDeskCOMPUTERLAND CORP·Filed 1986·Granted Jun 9, 1987·15 cites·1 claims
- 4367US6779578B2Master processing apparatus with ejector mechanismXYRON INC·Filed 2002·Granted Aug 24, 2004·7 cites·59 claims
- 4465US2022010798A1Backpack blowerTECHTRONIC CORDLESS GP·Filed 2021·Application pending·0 cites
- 4563US12484478B2Quick release blade assemblies and methods for a power toolTECHTRONIC CORDLESS GP·Filed 2022·Granted Dec 2, 2025·0 cites·20 claims
- 4662US7500813B2Punching and binding system and elements thereofESSELTE BUSINESS BVBA·Filed 2006·Granted Mar 10, 2009·2 cites·8 claims
- 4761US12053832B2ChainsawsTECHTRONIC CORDLESS GP·Filed 2022·Granted Aug 6, 2024·0 cites·13 claims
- 4861US11156224B2Backpack blowerTTI MACAO COMMERCIAL OFFSHORE LTD·Filed 2018·Granted Oct 26, 2021·0 cites·7 claims
- 4961US7261790B2Master processing apparatusXYRON INC·Filed 2002·Granted Aug 28, 2007·6 cites·83 claims
- 5061USD313629SClipboard for a shopping cart push barGUARDSMAN PRODUCTS INC·Filed 1988·Granted Jan 8, 1991·9 cites·1 claims
Showing the top 50 of 82 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →