Erik Hammagren

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Corvallis, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Wave energy converter
- Patent number 12,146,465
- Issue date Nov 19, 2024
- Columbia Power Technologies, Inc.
- Erik J. Hammagren
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wave energy converter
- Patent number 11,542,913
- Issue date Jan 3, 2023
- Columbia Power Technologies, Inc.
- Erik J. Hammagren
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Method and system for wave energy conversion
- Patent number 9,587,620
- Issue date Mar 7, 2017
- Columbia Power Technologies, Inc.
- Kenneth Edward Rhinefrank
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Mechanical assembly for maintaining an air gap between a stator and...
- Patent number 9,484,779
- Issue date Nov 1, 2016
- Columbia Power Technologies, Inc.
- Kenneth Edward Rhinefrank
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
WAVE ENERGY CONVERTER
- Publication number 20230151789
- Publication date May 18, 2023
- COLUMBIA POWER TECHNOLOGIES, INC.
- Erik J. Hammagren
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
METHOD AND SYSTEM FOR WAVE ENERGY CONVERSION
- Publication number 20150252777
- Publication date Sep 10, 2015
- COLUMBIA POWER TECHNOLOGIES, INC.
- Kenneth Joseph Rhinefrank
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
MECHANICAL ASSEMBLY FOR MAINTAINING AN AIR GAP BETWEEN A STATOR AND...
- Publication number 20140084590
- Publication date Mar 27, 2014
- COLUMBIA POWER TECHNOLOGIES, INC.
- Kenneth Rhinefrank
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER