Dale R. Wolfer

Person

Salem, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Foot valve assembly for a down hole drill
- Patent number 8,561,730
- Issue date Oct 22, 2013
- Atlas Copco Secoroc LLC
- Jing James Yao
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Drive pin support
- Patent number 8,550,189
- Issue date Oct 8, 2013
- Atlas Copco Secoroc LLC
- Dale Richard Wolfer
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Variable frequency control for down hole drill and method
- Patent number 8,215,419
- Issue date Jul 10, 2012
- Atlas Copco Secoroc LLC
- Timothy J. Plunkett
- E21 - EARTH DRILLING MINING
Information Patent Grant
Chuck assembly for a down-hole drill
- Patent number 8,100,200
- Issue date Jan 24, 2012
- Atlas Copco Secoroc LLC
- Dale Richard Wolfer
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Exhaust valve and bit assembly for down-hole percussive drills
- Patent number 7,832,504
- Issue date Nov 16, 2010
- Atlas Copco Secoroc LLC
- Dale R. Wolfer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Piston for a self-lubricating, fluid-actuated, percussive down-the-...
- Patent number 5,794,516
- Issue date Aug 18, 1998
- Ingersoll-Rand Company
- Dale R. Wolfer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-lubricating, fluid-actuated, percussive down-the-hole drill
- Patent number 5,711,205
- Issue date Jan 27, 1998
- Ingersoll-Rand Company
- Dale R. Wolfer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reversible casing for a self-lubricating, fluid-actuated, percussiv...
- Patent number 5,566,771
- Issue date Oct 22, 1996
- Ingersoll-Rand Company
- Dale R. Wolfer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-lubricating, fluid-actuated, percussive down-the-hole drill
- Patent number 5,562,170
- Issue date Oct 8, 1996
- Ingersoll-Rand Company
- Dale R. Wolfer
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR DRILLING USING GAS AS A DRILLING FLUID
- Publication number 20120103692
- Publication date May 3, 2012
- ATLAS COPCO SECOROC LLC
- Jeffrey P. WHITE
- E21 - EARTH DRILLING MINING
Information Patent Application
FOOT VALVE ASSEMBLY FOR A DOWN HOLE DRILL
- Publication number 20110232922
- Publication date Sep 29, 2011
- Jing James Yao
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
DRIVE PIN SUPPORT
- Publication number 20110155471
- Publication date Jun 30, 2011
- Dale Richard Wolfer
- E21 - EARTH DRILLING MINING
Information Patent Application
VARIABLE FREQUENCY CONTROL FOR DOWN HOLE DRILL
- Publication number 20100282509
- Publication date Nov 11, 2010
- Timothy J. Plunkett
- E21 - EARTH DRILLING MINING
Information Patent Application
BIT RETAINER ASSEMBLY FOR A DOWN-HOLE DRILL
- Publication number 20100263932
- Publication date Oct 21, 2010
- Dale Richard Wolfer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
CHUCK ASSEMBLY FOR A DOWN-HOLE DRILL
- Publication number 20100264608
- Publication date Oct 21, 2010
- Dale Richard Wolfer
- E21 - EARTH DRILLING MINING
Information Patent Application
Exhaust valve and bit assembly for down-hole percussive drills
- Publication number 20090308661
- Publication date Dec 17, 2009
- Dale R. Wolfer
- E21 - EARTH DRILLING MINING

Dale R. Wolfer

Person

Patents Grantslast 30 patents

Foot valve assembly for a down hole drill

Drive pin support

Variable frequency control for down hole drill and method

Chuck assembly for a down-hole drill

Exhaust valve and bit assembly for down-hole percussive drills

Piston for a self-lubricating, fluid-actuated, percussive down-the-...

Self-lubricating, fluid-actuated, percussive down-the-hole drill

Reversible casing for a self-lubricating, fluid-actuated, percussiv...

Self-lubricating, fluid-actuated, percussive down-the-hole drill

Patents Applicationslast 30 patents

METHOD AND SYSTEM FOR DRILLING USING GAS AS A DRILLING FLUID

FOOT VALVE ASSEMBLY FOR A DOWN HOLE DRILL

DRIVE PIN SUPPORT

VARIABLE FREQUENCY CONTROL FOR DOWN HOLE DRILL

BIT RETAINER ASSEMBLY FOR A DOWN-HOLE DRILL

CHUCK ASSEMBLY FOR A DOWN-HOLE DRILL

Exhaust valve and bit assembly for down-hole percussive drills