David R. Evans

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Oswego, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable system pressure based on implement position
- Patent number 11,680,381
- Issue date Jun 20, 2023
- Caterpillar Underground Mining Pty. Ltd.
- Riley A. Albers
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Cross-members and pin couplers for lift arms
- Patent number 10,927,523
- Issue date Feb 23, 2021
- Caterpillar Inc.
- Riley A. Albers
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
VARIABLE SYSTEM PRESSURE BASED ON IMPLEMENT POSITION
- Publication number 20220213664
- Publication date Jul 7, 2022
- Caterpillar Underground Mining Pty. Ltd.
- Riley A. Albers
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
CROSS-MEMBERS AND PIN COUPLERS FOR LIFT ARMS
- Publication number 20200263386
- Publication date Aug 20, 2020
- Caterpillar Inc.
- Riley A. Albers
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING