Ronald A. Holland

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Carlsbad, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Cleaner, more efficient engines
- Patent number 11,988,135
- Issue date May 21, 2024
- Ronald A. Holland
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Opposed piston engine
- Patent number 10,287,971
- Issue date May 14, 2019
- Ronald A. Holland
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Belt clutch
- Patent number 8,608,602
- Issue date Dec 17, 2013
- Ronald A. Holland
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Cleaner, More Efficient Engines
- Publication number 20240052777
- Publication date Feb 15, 2024
- Ronald A. Holland
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Rear Axel for Small Vehicles
- Publication number 20200108661
- Publication date Apr 9, 2020
- Ronald A. Holland
- B60 - VEHICLES IN GENERAL
Information Patent Application
Braking System for Three Wheel Vehicles
- Publication number 20200101954
- Publication date Apr 2, 2020
- Ronald A. Holland
- B60 - VEHICLES IN GENERAL
Information Patent Application
Opposed Piston Engine
- Publication number 20180202348
- Publication date Jul 19, 2018
- Ronald A. Holland
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Opposed Piston Engine
- Publication number 20150300241
- Publication date Oct 22, 2015
- Ronald A. Holland
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS