Alvin A. Liebel

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Mandan, ND, US

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Patents Grantslast 30 patents

Information Patent Grant
Carrier and backhoe control system and method
- Patent number 8,392,075
- Issue date Mar 5, 2013
- Clark Equipment Company
- Spencer L. Mindeman
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Hydraulic control system for a swiveling construction machine
- Patent number 8,037,680
- Issue date Oct 18, 2011
- Clark Equipment Company
- James M. Breuer
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Carrier and Backhoe Control System and Method
- Publication number 20090216412
- Publication date Aug 27, 2009
- Clark Equipment Company
- Spencer L. Mindeman
- G05 - CONTROLLING REGULATING
Information Patent Application
Hydraulic Control System for a Swiveling Construction Machine
- Publication number 20090044434
- Publication date Feb 19, 2009
- CLARK EQUIPMENT COMPANY
- James M. Breuer
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING