Steven Oscar Frey

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Elmira, CA

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Patents Grantslast 30 patents

Information Patent Grant
Robust multi-tool assembly for hydraulic excavators
- Patent number 12,264,450
- Issue date Apr 1, 2025
- AMI Attachments Inc.
- Steven Oscar Frey
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Robust multi-tool assembly for hydraulic excavators
- Patent number 10,774,501
- Issue date Sep 15, 2020
- AMI Attachments Inc.
- Steven Oscar Frey
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Robust multi-tool assembly for hydraulic excavators
- Patent number 10,774,498
- Issue date Sep 15, 2020
- AMI Attachments Inc.
- Steven Oscar Frey
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Coupler-assembly for attaching bucket or the like to articulating arm
- Patent number 9,222,235
- Issue date Dec 29, 2015
- AMI Attachments Inc.
- Steven Oscar Frey
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
EXCAVATOR ATTACHMENT WITH A WORKING TOOL
- Publication number 20250198114
- Publication date Jun 19, 2025
- AMI Attachments Inc.
- Steven Oscar Frey
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
TILT BUCKET ASSEMBLY FOR AN EXCAVATOR
- Publication number 20230407589
- Publication date Dec 21, 2023
- AMI ATTACHMENTS INC.
- Steven Oscar Frey
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
ROBUST MULTI-TOOL ASSEMBLY FOR HYDRAULIC EXCAVATORS
- Publication number 20200407938
- Publication date Dec 31, 2020
- Steven Oscar Frey
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
ROBUST MULTI-TOOL ASSEMBLY FOR HYDRAULIC EXCAVATORS
- Publication number 20190119878
- Publication date Apr 25, 2019
- AMI ATTACHMENTS INC.
- Steven Oscar Frey
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
ROBUST MULTI-TOOL ASSEMBLY FOR HYDRAULIC EXCAVATORS
- Publication number 20190100896
- Publication date Apr 4, 2019
- Steven Oscar Frey
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
COUPLER-ASSEMBLY FOR ATTACHING BUCKET OR THE LIKE TO ARTICULATING ARM
- Publication number 20140321956
- Publication date Oct 30, 2014
- AMI ATTACHMENTS INC.
- Steven Oscar Frey
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING