Donald E. Keller

Person

Bedford, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Tool holder and base mounting assembly
- Patent number 10,030,515
- Issue date Jul 24, 2018
- Kennametal Inc.
- Luke A. Weber
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting tool mounting assembly with elastomeric coated bushing
- Patent number 9,422,812
- Issue date Aug 23, 2016
- Kennametal Inc.
- Nicholas J. Paros
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retention assembly for cutting bit
- Patent number 8,523,289
- Issue date Sep 3, 2013
- Kennametal Inc.
- Eric P. Helsel
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Rotatable cutting tool-tool holder-base assembly
- Patent number 8,523,290
- Issue date Sep 3, 2013
- Kennametal Inc.
- Eric P. Helsel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bit holder block with non-rotating wear sleeve
- Patent number 8,061,783
- Issue date Nov 22, 2011
- Kennametal Inc.
- Donald E. Keller
- E21 - EARTH DRILLING MINING
Information Patent Grant
Road milling drum having an adjustable width
- Patent number 7,883,153
- Issue date Feb 8, 2011
- Kennametal Inc.
- Stephen P. Stiffler
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Cutting tool with water injection to the cutting bit shank
- Patent number 7,883,154
- Issue date Feb 8, 2011
- Kennametal Inc.
- Wayne H. Beach
- E21 - EARTH DRILLING MINING
Information Patent Grant
Countersink roof bit drill and method for using the same
- Patent number 7,708,087
- Issue date May 4, 2010
- Kennametal, Inc.
- Brandon S. Stables
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting tool assembly with replaceable spray nozzle housing
- Patent number 6,485,104
- Issue date Nov 26, 2002
- Kennametal Inc.
- Donald E. Keller
- E21 - EARTH DRILLING MINING
Information Patent Grant
Material handling assembly for excavating machines and the like hav...
- Patent number 6,209,237
- Issue date Apr 3, 2001
- Rockland Inc.
- Ashley Heiple
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Material handling assembly for machines and thumb assembly thereof
- Patent number 6,203,267
- Issue date Mar 20, 2001
- Rockland Inc.
- Ashley Heiple
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
TOOL HOLDER AND BASE MOUNTING ASSEMBLY
- Publication number 20160237818
- Publication date Aug 18, 2016
- Kennametal Inc.
- Luke A. Weber
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTING TOOL MOUNTING ASSEMBLY WITH ELASTOMERIC COATED BUSHING
- Publication number 20160102550
- Publication date Apr 14, 2016
- Kennametal Inc.
- Nicholas J. Paros
- E21 - EARTH DRILLING MINING
Information Patent Application
ROTATABLE CUTTING TOOL-TOOL HOLDER-BASE ASSEMBLY
- Publication number 20110089746
- Publication date Apr 21, 2011
- Kennametal Inc.
- Eric P. Helsel
- E21 - EARTH DRILLING MINING
Information Patent Application
RETENTION ASSEMBLY FOR CUTTING BIT
- Publication number 20110089747
- Publication date Apr 21, 2011
- Kennametal Inc.
- Eric P. Helsel
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Core Breaker With Dust Suppression System
- Publication number 20100237684
- Publication date Sep 23, 2010
- Kennametal Inc.
- Donald E. Keller
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTING TOOL WITH WATER INJECTION TO THE CUTTING BIT SHANK
- Publication number 20100052406
- Publication date Mar 4, 2010
- Wayne H. Beach
- E21 - EARTH DRILLING MINING
Information Patent Application
BIT HOLDER BLOCK WITH NON-ROTATING WEAR SLEEVE
- Publication number 20100038955
- Publication date Feb 18, 2010
- Donald E. Keller
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTING BIT FOR MINING AND EXCAVATING TOOLS
- Publication number 20100018776
- Publication date Jan 28, 2010
- Donald E. Keller
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Road milling drum having an adjustable width
- Publication number 20090067927
- Publication date Mar 12, 2009
- Stephen P. Stiffler
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Countersink Roof Bit Drill And Method For Using The Same
- Publication number 20080251296
- Publication date Oct 16, 2008
- Jennmar Corporation
- Brandon S. Stables
- E21 - EARTH DRILLING MINING
Information Patent Application
Mining bit puller with striking pad
- Publication number 20070045599
- Publication date Mar 1, 2007
- Kennametal Inc.
- Michael Lee Bilyeu
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Cutting tool assembly having attached spray nozzle housing
- Publication number 20050082898
- Publication date Apr 21, 2005
- Donald E. Keller
- E21 - EARTH DRILLING MINING

Donald E. Keller

Person

Patents Grantslast 30 patents

Tool holder and base mounting assembly

Cutting tool mounting assembly with elastomeric coated bushing

Retention assembly for cutting bit

Rotatable cutting tool-tool holder-base assembly

Bit holder block with non-rotating wear sleeve

Road milling drum having an adjustable width

Cutting tool with water injection to the cutting bit shank

Countersink roof bit drill and method for using the same

Cutting tool assembly with replaceable spray nozzle housing

Material handling assembly for excavating machines and the like hav...

Material handling assembly for machines and thumb assembly thereof

Patents Applicationslast 30 patents

TOOL HOLDER AND BASE MOUNTING ASSEMBLY

CUTTING TOOL MOUNTING ASSEMBLY WITH ELASTOMERIC COATED BUSHING

ROTATABLE CUTTING TOOL-TOOL HOLDER-BASE ASSEMBLY

RETENTION ASSEMBLY FOR CUTTING BIT

Core Breaker With Dust Suppression System

CUTTING TOOL WITH WATER INJECTION TO THE CUTTING BIT SHANK

BIT HOLDER BLOCK WITH NON-ROTATING WEAR SLEEVE

CUTTING BIT FOR MINING AND EXCAVATING TOOLS

Road milling drum having an adjustable width

Countersink Roof Bit Drill And Method For Using The Same

Mining bit puller with striking pad

Cutting tool assembly having attached spray nozzle housing