John Parkin

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Vancouver, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and methods for the guidance of fish
- Patent number 9,596,836
- Issue date Mar 21, 2017
- Smith-Root, Inc.
- Lee Roy Carstensen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Systems and methods for the reduction of underwater acoustical noise
- Patent number 8,387,746
- Issue date Mar 5, 2013
- John Parkin
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and Methods for the Guidance of Fish
- Publication number 20150201590
- Publication date Jul 23, 2015
- SMITH-ROOT, INC.
- Lee Roy Carstensen
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Systems and Methods for the Reduction of Underwater Acoustical Noise
- Publication number 20120298442
- Publication date Nov 29, 2012
- John Parkin
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Systems and Methods to Control the Incursion of Fish into Seachests
- Publication number 20110277693
- Publication date Nov 17, 2011
- John Parkin
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Apparatus and Methods for the Retensioning of Reinforcement Tendons
- Publication number 20100258772
- Publication date Oct 14, 2010
- JOHN WILSON PARKIN
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS