Leland H. Lyon

Person

Roanoke, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Flow diversion sub for a down-the-hole drill hammer
- Patent number 11,078,736
- Issue date Aug 3, 2021
- Center Rock Inc.
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Down-the-hole drill hammer having a roller bearing assembly
- Patent number 10,669,781
- Issue date Jun 2, 2020
- Center Rock Inc.
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pressure control check valve for a down-the-hole drill hammer
- Patent number 10,100,578
- Issue date Oct 16, 2018
- Center Rock, Inc.
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Down-the-hole drill hammer having a roller ramp clutch
- Patent number 10,024,103
- Issue date Jul 17, 2018
- Center Rock Inc.
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Non-rotating drill bit for a down-the-hole drill hammer
- Patent number 9,938,774
- Issue date Apr 10, 2018
- Center Rock Inc.
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit for a down-the-hole drill hammer having spirally arranged...
- Patent number 9,821,422
- Issue date Nov 21, 2017
- Center Rock Inc.
- Leland H. Lyon
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Down-the-hole drill drive coupling
- Patent number 8,915,314
- Issue date Dec 23, 2014
- Center Rock Inc.
- Leland H. Lyon
- 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
Self-indexing down-the-hole drill
- Patent number 8,397,839
- Issue date Mar 19, 2013
- Center Rock Inc.
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Down-the-hole drill reverse exhaust system
- Patent number 8,302,707
- Issue date Nov 6, 2012
- Center Rock Inc.
- Leland 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
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
Entrainment fluid channeling device for a down-hole drill string
- Patent number 7,665,549
- Issue date Feb 23, 2010
- Atlas Copco Secoroc AB
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fluid distributor device for down-hole-drills
- Patent number 7,159,676
- Issue date Jan 9, 2007
- Atlas Copco Secoroc AB
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Quick release drill bit for down-hole drills
- Patent number 6,810,974
- Issue date Nov 2, 2004
- Atlas Copco AB
- Leland H. Lyon
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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
Venting and sealing system for down-hole drills
- Patent number 6,135,216
- Issue date Oct 24, 2000
- Ingersoll-Rand Company
- Leland H. Lyon
- 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
Indexing percussive drilling bit
- Patent number 5,735,358
- Issue date Apr 7, 1998
- Ingersoll-Rand Company
- Leland H. Lyon
- 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
Water separator for a down hole drill
- Patent number 5,682,957
- Issue date Nov 4, 1997
- Ingersoll-Rand Company
- Leland H. Lyon
- 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
Information Patent Grant
Apparatus for positioning a split retaining ring in a down-hole per...
- Patent number 5,390,749
- Issue date Feb 21, 1995
- Ingersoll-Rand Company
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Grant
Filter for a rockdrill
- Patent number 5,342,520
- Issue date Aug 30, 1994
- Ingersoll-Rand Company
- Leland H. Lyon
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
DOWN-THE-HOLE DRILL HAMMER HAVING A PISTON FOLLOWER VALVE
- Publication number 20240254860
- Publication date Aug 1, 2024
- CENTER ROCK INC.
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Application
FLOW DIVERSION SUB FOR A DOWN-THE-HOLE DRILL HAMMER
- Publication number 20180209229
- Publication date Jul 26, 2018
- CENTER ROCK INC.
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWN-THE-HOLE DRILL HAMMER HAVING A ROLLER BEARING ASSEMBLY
- Publication number 20180171720
- Publication date Jun 21, 2018
- CENTER ROCK INC.
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWN-THE-HOLE DRILL HAMMER HAVING A ROLLER RAMP CLUTCH
- Publication number 20160222732
- Publication date Aug 4, 2016
- CENTER ROCK INC.
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILL BIT FOR A DOWN-THE-HOLE DRILL HAMMER HAVING NONCONCENTRICALLY...
- Publication number 20150345227
- Publication date Dec 3, 2015
- CENTER ROCK INC.
- Leland H. Lyon
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
PRESSURE CONTROL CHECK VALVE FOR A DOWN-THE-HOLE DRILL HAMMER
- Publication number 20140360783
- Publication date Dec 11, 2014
- CENTER ROCK INC.
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Application
NON-ROTATING DRILL BIT FOR A DOWN-THE-HOLE DRILL HAMMER
- Publication number 20140131116
- Publication date May 15, 2014
- CENTER ROCK INC.
- Leland H. Lyon
- 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-THE-HOLE DRILL DRIVE COUPLING
- Publication number 20110036636
- Publication date Feb 17, 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 Reverse Exhaust System
- Publication number 20100187017
- Publication date Jul 29, 2010
- Center Rock, Inc.
- 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
Self-Indexing Down-The-Hole Drill
- Publication number 20090321143
- Publication date Dec 31, 2009
- Center Rock, Inc.
- Leland H. LYON
- 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
Information Patent Application
Bit assembly for down-hole drills
- Publication number 20080078584
- Publication date Apr 3, 2008
- ATLAS COPCO SECOROC AB
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Application
Disassembleable Washer Device for Down-Hole Drills
- Publication number 20080067758
- Publication date Mar 20, 2008
- Leland H. Lyon
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Entrainment Fluid Channeling Device for a Down-Hole Drill String
- Publication number 20080011517
- Publication date Jan 17, 2008
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Application
Fluid distributor device for down-hole-drills
- Publication number 20050034899
- Publication date Feb 17, 2005
- Leland H. Lyon
- E21 - EARTH DRILLING MINING
Information Patent Application
Quick release drill bit for down-hole drills
- Publication number 20040011565
- Publication date Jan 22, 2004
- Leland H Lyon
- E21 - EARTH DRILLING MINING

Leland H. Lyon

Person

Patents Grantslast 30 patents

Flow diversion sub for a down-the-hole drill hammer

Down-the-hole drill hammer having a roller bearing assembly

Pressure control check valve for a down-the-hole drill hammer

Down-the-hole drill hammer having a roller ramp clutch

Non-rotating drill bit for a down-the-hole drill hammer

Drill bit for a down-the-hole drill hammer having spirally arranged...

Down-the-hole drill drive coupling

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

Self-indexing down-the-hole drill

Down-the-hole drill reverse exhaust system

Drill bit

Down hole hammer having elevated exhaust

Down hole hammer having elevated exhaust

Exhaust valve and bit assembly for down-hole percussive drills

Entrainment fluid channeling device for a down-hole drill string

Fluid distributor device for down-hole-drills

Quick release drill bit for down-hole drills

Percussive drill with adjustable flow control

Venting and sealing system for down-hole drills

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

Indexing percussive drilling bit

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

Water separator for a down hole drill

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

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

Apparatus for positioning a split retaining ring in a down-hole per...

Filter for a rockdrill

Patents Applicationslast 30 patents

DOWN-THE-HOLE DRILL HAMMER HAVING A PISTON FOLLOWER VALVE

FLOW DIVERSION SUB FOR A DOWN-THE-HOLE DRILL HAMMER

DOWN-THE-HOLE DRILL HAMMER HAVING A ROLLER BEARING ASSEMBLY

DOWN-THE-HOLE DRILL HAMMER HAVING A ROLLER RAMP CLUTCH

DRILL BIT FOR A DOWN-THE-HOLE DRILL HAMMER HAVING NONCONCENTRICALLY...

PRESSURE CONTROL CHECK VALVE FOR A DOWN-THE-HOLE DRILL HAMMER

NON-ROTATING DRILL BIT FOR A DOWN-THE-HOLE DRILL HAMMER

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-THE-HOLE DRILL DRIVE COUPLING

DOWN HOLE HAMMER HAVING ELEVATED EXHAUST

Down-the-hole Drill Reverse Exhaust System

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

Self-Indexing Down-The-Hole Drill

Exhaust valve and bit assembly for down-hole percussive drills

Bit assembly for down-hole drills

Disassembleable Washer Device for Down-Hole Drills

Entrainment Fluid Channeling Device for a Down-Hole Drill String

Fluid distributor device for down-hole-drills

Quick release drill bit for down-hole drills