Warren T. Lay

Person

Roanoke, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Underreamer drill hammer
- Patent number 12,291,925
- Issue date May 6, 2025
- Center Rock Inc.
- Warren Thomas Lay
- E21 - EARTH DRILLING MINING
Information Patent Grant
Down-the-hole drill hammer having a reverse exhaust system and segm...
- Patent number 8,800,690
- Issue date Aug 12, 2014
- Center Rock Inc.
- Leland H. Lyon
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Pressure reversing valve assembly for a down-the-hole percussive dr...
- Patent number 8,631,884
- Issue date Jan 21, 2014
- Center Rock Inc.
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Down-the-hole drill hammer having a sliding exhaust check valve
- Patent number 8,622,152
- Issue date Jan 7, 2014
- Center Rock Inc.
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Down-the-hole drill hammer having an extendable drill bit assembly
- Patent number 8,439,135
- Issue date May 14, 2013
- Center Rock Inc.
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit
- Patent number D656974
- Issue date Apr 3, 2012
- Center Rock Inc.
- Leland H. Lyon
- D15 - Machines not elsewhere specified
Information Patent Grant
Down hole hammer having elevated exhaust
- Patent number 8,141,663
- Issue date Mar 27, 2012
- Atlas Copco Secoroc LLC
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Down hole hammer having elevated exhaust
- Patent number 8,011,455
- Issue date Sep 6, 2011
- Atlas Copco Secoroc LLC
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for channeling solids and fluids within a reverse circulatio...
- Patent number 7,467,675
- Issue date Dec 23, 2008
- Atlas Copco Secoroc LLC
- Warren T. Lay
- E21 - EARTH DRILLING MINING
Information Patent Grant
Percussive drill with adjustable flow control
- Patent number 6,799,641
- Issue date Oct 5, 2004
- Atlas Copco AB
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rockbolt assembly
- Patent number 6,474,910
- Issue date Nov 5, 2002
- Ingersoll-Rand Company
- Warren Thomas Lay
- E21 - EARTH DRILLING MINING
Information Patent Grant
Backhead and check valve for down-hole drills
- Patent number 6,237,704
- Issue date May 29, 2001
- Ingersoll-Rand Company
- Warren T. Lay
- E21 - EARTH DRILLING MINING
Information Patent Grant
Backhead and check valve for down-hole drills
- Patent number 6,170,581
- Issue date Jan 9, 2001
- Ingersoll-Rand Company
- Warren T. Lay
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reversible casing for a down-the-hole percussive apparatus
- Patent number 5,325,926
- Issue date Jul 5, 1994
- Ingersoll-Rand Company
- Warren T. Lay
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pressure reversing valve for a fluid-actuated, percussive drilling...
- Patent number 5,301,761
- Issue date Apr 12, 1994
- Ingersoll-Rand Company
- Chuen-Cheng Fu
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Reversible bit bearing
- Patent number 5,207,283
- Issue date May 4, 1993
- Ingersoll-Rand Company
- Warren T. Lay
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
UNDERREAMER DRILL HAMMER
- Publication number 20250129671
- Publication date Apr 24, 2025
- CENTER ROCK INC.
- Warren Thomas Lay
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWN-THE-HOLE HAMMER HAVING AN INVERTED CASING
- Publication number 20250034955
- Publication date Jan 30, 2025
- Center Rock, Inc.
- Warren Thomas Lay
- E21 - EARTH DRILLING MINING
Information Patent Application
Down-the-Hole Drill Hammer Having a Sliding Exhaust Check Valve
- Publication number 20120006598
- Publication date Jan 12, 2012
- CENTER ROCK INC.
- Leland H. LYON
- E21 - EARTH DRILLING MINING
Information Patent Application
Pressure Reversing Valve Assembly For a Down-the-Hole Percussive Dr...
- Publication number 20110297447
- Publication date Dec 8, 2011
- Center Rock, Inc.
- Leland H. LYON
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWN HOLE HAMMER HAVING ELEVATED EXHAUST
- Publication number 20110266067
- Publication date Nov 3, 2011
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWN-THE-HOLE DRILL HAMMER HAVING AN EXTENDABLE DRILL BIT ASSEMBLY
- Publication number 20110240373
- Publication date Oct 6, 2011
- Center Rock, Inc.
- Leland H. LYON
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWN HOLE HAMMER HAVING ELEVATED EXHAUST
- Publication number 20100200301
- Publication date Aug 12, 2010
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWN-THE-HOLE DRILL HAMMER HAVING A REVERSE EXHAUST SYSTEM AND SEGM...
- Publication number 20100059284
- Publication date Mar 11, 2010
- Center Rock, Inc.
- Leland H. LYON
- E21 - EARTH DRILLING MINING
Information Patent Application
Device for channeling solids and fluids within a reverse circulatio...
- Publication number 20070278010
- Publication date Dec 6, 2007
- ATLAS COPCO SECOROC AB
- Warren T. Lay
- E21 - EARTH DRILLING MINING
Information Patent Application
Rockbolt assembly
- Publication number 20010046418
- Publication date Nov 29, 2001
- Warren Thomas Lay
- E21 - EARTH DRILLING MINING

Warren T. Lay

Person

Patents Grantslast 30 patents

Underreamer drill hammer

Down-the-hole drill hammer having a reverse exhaust system and segm...

Pressure reversing valve assembly for a down-the-hole percussive dr...

Down-the-hole drill hammer having a sliding exhaust check valve

Down-the-hole drill hammer having an extendable drill bit assembly

Drill bit

Down hole hammer having elevated exhaust

Down hole hammer having elevated exhaust

Device for channeling solids and fluids within a reverse circulatio...

Percussive drill with adjustable flow control

Rockbolt assembly

Backhead and check valve for down-hole drills

Backhead and check valve for down-hole drills

Reversible casing for a down-the-hole percussive apparatus

Pressure reversing valve for a fluid-actuated, percussive drilling...

Reversible bit bearing

Patents Applicationslast 30 patents

UNDERREAMER DRILL HAMMER

DOWN-THE-HOLE HAMMER HAVING AN INVERTED CASING

Down-the-Hole Drill Hammer Having a Sliding Exhaust Check Valve

Pressure Reversing Valve Assembly For a Down-the-Hole Percussive Dr...

DOWN HOLE HAMMER HAVING ELEVATED EXHAUST

DOWN-THE-HOLE DRILL HAMMER HAVING AN EXTENDABLE DRILL BIT ASSEMBLY

DOWN HOLE HAMMER HAVING ELEVATED EXHAUST

DOWN-THE-HOLE DRILL HAMMER HAVING A REVERSE EXHAUST SYSTEM AND SEGM...

Device for channeling solids and fluids within a reverse circulatio...

Rockbolt assembly