Center Rock, Inc.

Organization

WASHINGTON, DC, US

Organizations

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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
Non-rotating drill bit for a down-the-hole drill hammer
- Patent number D873316
- Issue date Jan 21, 2020
- Center Rock Inc.
- Leland H. Lyon
- D15 - Machines not elsewhere specified
Information Patent Grant
Drill bit for a down-the-hole drill hammer
- Patent number D872142
- Issue date Jan 7, 2020
- Center Rock Inc.
- Leland H. Lyon
- D15 - Machines not elsewhere specified
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
Self-retaining downhole-hammer drill bit
- Patent number 6,827,162
- Issue date Dec 7, 2004
- Center Rock, Inc.
- Brandon W. Fisher
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

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-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-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
Self-retaining downhole-hammer drill bit
- Publication number 20040084225
- Publication date May 6, 2004
- Center Rock, Inc.
- Brandon W. Fisher
- E21 - EARTH DRILLING MINING

Trademarklast 30 trademarks

Information Trademark
88763587 - WE MAKE ROCK DISAPPEAR!
- Serial number 88763587
- Registration number 6296570
- Filing date Jan 17, 2020
- Center Rock Inc.
- 7 - Machines and machine tools
Information Trademark
86146478 - LP DRILL
- Serial number 86146478
- Registration number 4631250
- Filing date Dec 17, 2013
- Center Rock, Inc.
- 7 - Machines and machine tools
Information Trademark
86035279 - HYDRO-JAW
- Serial number 86035279
- Registration number 4501409
- Filing date Aug 12, 2013
- Center Rock, Inc.
- 7 - Machines and machine tools
Information Trademark
85675386 - CENTER ROCK FORCE
- Serial number 85675386
- Registration number 4355428
- Filing date Jul 12, 2012
- Center Rock Inc.
- 7 - Machines and machine tools
Information Trademark
85660697 - ROTO LOC
- Serial number 85660697
- Registration number 4351538
- Filing date Jun 25, 2012
- Center Rock, Inc.
- 7 - Machines and machine tools
Information Trademark
85628187 - HAMMER HONEY
- Serial number 85628187
- Registration number 4327143
- Filing date May 17, 2012
- Center Rock Inc.
- 4 - Industrial oils and greases
Information Trademark
85404992 - ROCK XTREME
- Serial number 85404992
- Registration number 4170593
- Filing date Aug 23, 2011
- Center Rock Inc.
- 7 - Machines and machine tools
Information Trademark
77859018 - CYCLOPS
- Serial number 77859018
- Registration number 3806510
- Filing date Oct 28, 2009
- Center Rock, Inc.
- 7 - Machines and machine tools
Information Trademark
77570638 - CYCLOPS BIT
- Serial number 77570638
- Filing date Sep 16, 2008
- Center Rock, Inc.
- 7 - Machines and machine tools
Information Trademark
77104062 - DRILL FASTER. RUN HARDER. WORK SMARTER.
- Serial number 77104062
- Registration number 3450362
- Filing date Feb 9, 2007
- Center Rock, Inc.
- 7 - Machines and machine tools
Information Trademark
77093848 - BITVIPER
- Serial number 77093848
- Filing date Jan 29, 2007
- Center Rock, Inc.
- 7 - Machines and machine tools
Information Trademark
77015601 - HYDRO-JAW
- Serial number 77015601
- Registration number 3433439
- Filing date Oct 6, 2006
- Center Rock, Inc.
- 7 - Machines and machine tools
Information Trademark
77015639 - CRI
- Serial number 77015639
- Registration number 3380072
- Filing date Oct 6, 2006
- Center Rock, Inc.
- 7 - Machines and machine tools
Information Trademark
77015617 - LP DRILL
- Serial number 77015617
- Registration number 3428867
- Filing date Oct 6, 2006
- Center Rock, Inc.
- 7 - Machines and machine tools
Information Trademark
77015651 - CENTER ROCK INC.
- Serial number 77015651
- Registration number 3322341
- Filing date Oct 6, 2006
- Center Rock, Inc.
- 7 - Machines and machine tools

Center Rock, Inc.

Organization

Patents Grantslast 30 patents

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

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

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

Drill bit for a down-the-hole drill hammer

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

Self-retaining downhole-hammer drill bit

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

DOWN-THE-HOLE DRILL DRIVE COUPLING

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

Self-retaining downhole-hammer drill bit

Trademarklast 30 trademarks

88763587 - WE MAKE ROCK DISAPPEAR!

86146478 - LP DRILL

86035279 - HYDRO-JAW

85675386 - CENTER ROCK FORCE

85660697 - ROTO LOC

85628187 - HAMMER HONEY

85404992 - ROCK XTREME

77859018 - CYCLOPS

77570638 - CYCLOPS BIT

77104062 - DRILL FASTER. RUN HARDER. WORK SMARTER.

77093848 - BITVIPER

77015601 - HYDRO-JAW

77015639 - CRI

77015617 - LP DRILL

77015651 - CENTER ROCK INC.