Inventor · disambiguated record
Robert Koenen
Also filed as: KOENEN ROBERT · KOENEN ROBERT J · KOENEN ROBERT JOHN
67 granted patents·14 pending applications·634 citations·filing 2001–2025
99Inventor score
Files withBRIGGS & STRATTON CORP53BRIGGS & STRATTON LLC20IWATA HISAYA3KOENEN ROBERT J3HANSEN JASON A1
Top patents by PatentIndex Score
81 records- 0198US11053906B2Battery connections for battery start of internal combustion enginesBRIGGS & STRATTON LLC·Filed 2020·Granted Jul 6, 2021·7 cites·20 claims
- 0296US11642952B2User-scalable power unit including removable battery packsBRIGGS & STRATTON LLC·Filed 2021·Granted May 9, 2023·4 cites·13 claims
- 0396US10697417B2Battery connections for battery start of internal combustion enginesBRIGGS & STRATTON CORP·Filed 2018·Granted Jun 30, 2020·7 cites·11 claims
- 0496US10687464B2Zero turn radius mower controlsBRIGGS & STRATTON CORP·Filed 2018·Granted Jun 23, 2020·11 cites·16 claims
- 0596US10263485B2Alternator with integrated engine controllerBRIGGS & STRATTON CORP·Filed 2017·Granted Apr 16, 2019·16 cites·20 claims
- 0696US9726135B2Snowthrower with removable self-heating starter battery packBRIGGS & STRATTON CORP·Filed 2015·Granted Aug 8, 2017·27 cites·15 claims
- 0796US9644595B2Starting battery for an internal combustion engineBRIGGS & STRATTON CORP·Filed 2016·Granted May 9, 2017·7 cites·20 claims
- 0896US9624891B2Outdoor power equipment incorporating starter battery with integrated push buttonBRIGGS & STRATTON CORP·Filed 2015·Granted Apr 18, 2017·18 cites·20 claims
- 0996US8857138B2Starter system for an engineBRIGGS & STRATTON CORP·Filed 2012·Granted Oct 14, 2014·28 cites·7 claims
- 1095US10024292B2Electric starting system for an internal combustion engineBRIGGS & STRATTON CORP·Filed 2018·Granted Jul 17, 2018·4 cites·20 claims
- 1195US9890755B2Electric starting system for an internal combustion engineBRIGGS & STRATTON CORP·Filed 2017·Granted Feb 13, 2018·6 cites·20 claims
- 1295USD776610SBatteryBRIGGS & STRATTON CORP·Filed 2014·Granted Jan 17, 2017·72 cites·1 claims
- 1395US9404465B2Starting battery for an internal combustion engineBRIGGS & STRATTON CORP·Filed 2015·Granted Aug 2, 2016·6 cites·20 claims
- 1495US9127658B2Internal combustion engine including starting system powered by lithium-ion batteryBRIGGS & STRATTON CORP·Filed 2014·Granted Sep 8, 2015·37 cites·8 claims
- 1595US8733072B2Starter system for an engineHANSEN JASON A·Filed 2011·Granted May 27, 2014·35 cites·4 claims
- 1695US8171907B2Push button starting system for outdoor power equipmentKOENEN ROBERT J·Filed 2009·Granted May 8, 2012·40 cites·24 claims
- 1794US10233889B2Snowthrower with removable self-heating starter battery packBRIGGS & STRATTON CORP·Filed 2017·Granted Mar 19, 2019·13 cites·11 claims
- 1894US6369532B2Control system for an electric motor having an integral flywheel rotorBRIGGS & STRATTON CORP·Filed 2001·Granted Apr 9, 2002·78 cites·31 claims
- 1993US11710981B2Vehicle for transporting and charging outdoor power equipmentBRIGGS & STRATTON LLC·Filed 2021·Granted Jul 25, 2023·4 cites·17 claims
- 2093US9628009B2Method for monitoring and controlling engine speedBRIGGS & STRATTON CORP·Filed 2012·Granted Apr 18, 2017·10 cites·12 claims
- 2193US8938894B2Automatically adjustable snowthrower chuteBRIGGS & STRATTON CORP·Filed 2013·Granted Jan 27, 2015·16 cites·20 claims
- 2292US11111896B2Starter motor with integrated solid state switchBRIGGS & STRATTON LLC·Filed 2019·Granted Sep 7, 2021·3 cites·25 claims
- 2392US8863485B2Hybrid lawn mower drive systemBRIGGS & STRATTON CORP·Filed 2013·Granted Oct 21, 2014·28 cites·7 claims
- 2491US12291091B2User-scalable power unit including removable battery packsBRIGGS & STRATTON LLC·Filed 2023·Granted May 6, 2025·1 cites·8 claims
- 2591US11015565B2Battery pack for powering and controlling outdoor power equipmentBRIGGS & STRATTON LLC·Filed 2018·Granted May 25, 2021·2 cites·20 claims
- 2691US9909511B2Electronic governor system and load sensing systemBRIGGS & STRATTON CORP·Filed 2015·Granted Mar 6, 2018·4 cites·15 claims
- 2790US11193468B2Electric starting system for an internal combustion engineBRIGGS & STRATTON LLC·Filed 2019·Granted Dec 7, 2021·1 cites·19 claims
- 2890US9917460B2Lithium ion battery pack for outdoor power equipmentBRIGGS & STRATTON CORP·Filed 2015·Granted Mar 13, 2018·9 cites·13 claims
- 2989US9624890B2Push button starting system module for outdoor power equipmentBRIGGS & STRATTON CORP·Filed 2014·Granted Apr 18, 2017·12 cites·19 claims
- 3089US9488149B2Push button starting system for outdoor power equipmentBRIGGS & STRATTON CORP·Filed 2014·Granted Nov 8, 2016·5 cites·11 claims
- 3188US9228556B2Internal combustion engine including starting system powered by lithium-ion batteryBRIGGS & STRATTON CORP·Filed 2015·Granted Jan 5, 2016·6 cites·30 claims
- 3287US9828966B2Lawn mower starter systemBRIGGS & STRATTON CORP·Filed 2015·Granted Nov 28, 2017·2 cites·12 claims
- 3386US10514014B2Ignition coil boost at low RPMBRIGGS & STRATTON CORP·Filed 2018·Granted Dec 24, 2019·2 cites·19 claims
- 3486US10393086B2Ignition coil boost at low RPMBRIGGS & STRATTON CORP·Filed 2018·Granted Aug 27, 2019·2 cites·18 claims
- 3586USD853319SBatteryBRIGGS & STRATTON CORP·Filed 2016·Granted Jul 9, 2019·24 cites·1 claims
- 3686USD831566SBattery receptacleBRIGGS & STRATTON CORP·Filed 2017·Granted Oct 23, 2018·20 cites·1 claims
- 3786US2025331449A1Zero turn radius mower with cutting blade controlBRIGGS & STRATTON LLC·Filed 2025·Application pending·0 cites
- 3885US10514013B2Electric starting system for an internal combustion engineBRIGGS & STRATTON CORP·Filed 2018·Granted Dec 24, 2019·3 cites·20 claims
- 3984US11820218B2User-scalable power unit including removable battery packsBRIGGS & STRATTON LLC·Filed 2017·Granted Nov 21, 2023·3 cites·13 claims
- 4082US8763579B2Push button starting system for outdoor power equipmentBRIGGS & STRATTON CORP·Filed 2013·Granted Jul 1, 2014·3 cites·17 claims
- 4182US8219305B2Engine with an automatic choke and method of operating an automatic choke for an engineIWATA HISAYA·Filed 2009·Granted Jul 10, 2012·10 cites·9 claims
- 4281US10634041B2Ignition system for internal combustion engineBRIGGS & STRATTON CORP·Filed 2017·Granted Apr 28, 2020·2 cites·16 claims
- 4381US9220192B2Lawn mower starter systemBRIGGS & STRATTON CORP·Filed 2014·Granted Dec 29, 2015·2 cites·13 claims
- 4481US8434445B2Engine with an automatic choke and method of operating an automatic choke for an engineIWATA HISAYA·Filed 2012·Granted May 7, 2013·4 cites·7 claims
- 4581US2024175417A1Battery pack for powering and controlling outdoor power equipmentBRIGGS & STRATTON LLC·Filed 2023·Application pending·0 cites
- 4680US12349621B2Zero turn radius mower with cutting blade controlBRIGGS & STRATTON LLC·Filed 2022·Granted Jul 8, 2025·0 cites·18 claims
- 4780US11519376B2On-demand generator starting systemBRIGGS & STRATTON LLC·Filed 2021·Granted Dec 6, 2022·1 cites·20 claims
- 4880US8516985B2Push button starting system for outdoor power equipmentKOENEN ROBERT J·Filed 2012·Granted Aug 27, 2013·3 cites·16 claims
- 4979US11346315B2Battery pack for powering and controlling outdoor power equipmentBRIGGS & STRATTON LLC·Filed 2021·Granted May 31, 2022·0 cites·20 claims
- 5077US9915238B2Outdoor power equipment incorporating starter battery with integrated push buttonBRIGGS & STRATTON CORP·Filed 2017·Granted Mar 13, 2018·2 cites·8 claims
Showing the top 50 of 81 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Robert Koenen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →