Robert J. Walker

Person

Manitowoc, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Lift crane with mast-raising mechanism
- Patent number 9,415,980
- Issue date Aug 16, 2016
- Manitowoc Crane Companies, LLC
- Darin J. Geiser
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Connection system for crane column segments
- Patent number 9,187,296
- Issue date Nov 17, 2015
- Manitowoc Crane Companies, LLC
- Robert J. Walker
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Method of connecting crane suspension assembly sections together an...
- Patent number 9,132,999
- Issue date Sep 15, 2015
- Manitowoc Crane Companies, LLC
- David J. Pech
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Connection system for crane components
- Patent number 9,121,425
- Issue date Sep 1, 2015
- Manitowoc Crane Companies, LLC
- Michael J. Wanek
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Column connector system
- Patent number 9,051,159
- Issue date Jun 9, 2015
- Manitowoc Crane Companies, LLC
- Robert J. Walker
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Folding jib main strut and transportable reeved strut caps
- Patent number 8,839,966
- Issue date Sep 23, 2014
- Manitowoc Crane Companies, LLC
- Robert J. Walker
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Pinned connection system for crane column segments
- Patent number 8,739,988
- Issue date Jun 3, 2014
- Manitowoc Crane Companies, LLC
- Robert J. Walker
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Boom hoist transportation system and crane using same
- Patent number 8,622,228
- Issue date Jan 7, 2014
- Manitowoc Crane Companies, LLC
- Trevor D. Mentink
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Connection system for crane boom segments
- Patent number 8,534,474
- Issue date Sep 17, 2013
- Manitowoc Crane Companies, LLC
- Nathan P. Holly
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Crane backstay spreader
- Patent number 8,127,949
- Issue date Mar 6, 2012
- Manitowoc Crane Companies, LLC
- Robert J. Walker
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Connection system for crane boom segments
- Patent number 7,954,657
- Issue date Jun 7, 2011
- Manitowoc Crane Companies, LLC
- Nathan P. Holly
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Rotatable connection system for crane boom sections
- Patent number 6,213,318
- Issue date Apr 10, 2001
- Manitowoc Crane Group, Inc.
- Robert J. Walker
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Multiple position wire rope guide
- Patent number 5,960,970
- Issue date Oct 5, 1999
- Robert J. Walker
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Offsetting link assembly for folding luffing jib
- Patent number 5,842,587
- Issue date Dec 1, 1998
- Manitowoc Crane Group, Inc.
- Michael J. Wanek
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Method for nesting longitudinally divisible crane boom segments
- Patent number 5,487,479
- Issue date Jan 30, 1996
- The Manitowoc Company, Inc.
- David J. Pech
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Longitudinally divisible crane boom segment
- Patent number 5,406,767
- Issue date Apr 18, 1995
- The Manitowoc Company, Inc.
- David J. Pech
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
LIFT CRANE WITH MAST-RAISING MECHANISM
- Publication number 20150210516
- Publication date Jul 30, 2015
- Manitowoc Crane Companies, LLC
- Darin J. Geiser
- B66 - HOISTING LIFTING HAULING
Information Patent Application
COLUMN CONNECTOR SYSTEM
- Publication number 20140174018
- Publication date Jun 26, 2014
- Manitowoc Crane Companies, LLC
- Robert J. Walker
- B66 - HOISTING LIFTING HAULING
Information Patent Application
CONNECTION SYSTEM FOR CRANE COLUMN SEGMENTS
- Publication number 20130270208
- Publication date Oct 17, 2013
- Robert J. Walker
- B66 - HOISTING LIFTING HAULING
Information Patent Application
CONNECTION SYSTEM FOR CRANE COMPONENTS
- Publication number 20130223926
- Publication date Aug 29, 2013
- Michael J. Wanek
- B66 - HOISTING LIFTING HAULING
Information Patent Application
METHOD OF CONNECTING CRANE SUSPENSION ASSEMBLY SECTIONS TOGETHER AN...
- Publication number 20120175333
- Publication date Jul 12, 2012
- David J. Pech
- B66 - HOISTING LIFTING HAULING
Information Patent Application
PINNED CONNECTION SYSTEM FOR CRANE COLUMN SEGMENTS
- Publication number 20120067840
- Publication date Mar 22, 2012
- Robert J. Walker
- B66 - HOISTING LIFTING HAULING
Information Patent Application
CONNECTION SYSTEM FOR CRANE BOOM SEGMENTS
- Publication number 20110233165
- Publication date Sep 29, 2011
- Manitowoc Crane Companies, LLC
- Nathan P. Holly
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Crane Backstay Spreader
- Publication number 20100294735
- Publication date Nov 25, 2010
- Robert J. Walker
- B66 - HOISTING LIFTING HAULING
Information Patent Application
FOLDING JIB MAIN STRUT AND TRANSPORTABLE REEVED STRUT CAPS
- Publication number 20100243595
- Publication date Sep 30, 2010
- Manitowoc Crane Companies, LLC
- Robert J. Walker
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Boom Hoist Transportation System and Crane Using Same
- Publication number 20100072156
- Publication date Mar 25, 2010
- Trevor D. Mentink
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Connection system for crane boom segments
- Publication number 20090139948
- Publication date Jun 4, 2009
- Nathan P. Holly
- B66 - HOISTING LIFTING HAULING

Robert J. Walker

Person

Patents Grantslast 30 patents

Lift crane with mast-raising mechanism

Connection system for crane column segments

Method of connecting crane suspension assembly sections together an...

Connection system for crane components

Column connector system

Folding jib main strut and transportable reeved strut caps

Pinned connection system for crane column segments

Boom hoist transportation system and crane using same

Connection system for crane boom segments

Crane backstay spreader

Connection system for crane boom segments

Rotatable connection system for crane boom sections

Multiple position wire rope guide

Offsetting link assembly for folding luffing jib

Method for nesting longitudinally divisible crane boom segments

Longitudinally divisible crane boom segment

Patents Applicationslast 30 patents

LIFT CRANE WITH MAST-RAISING MECHANISM

COLUMN CONNECTOR SYSTEM

CONNECTION SYSTEM FOR CRANE COLUMN SEGMENTS

CONNECTION SYSTEM FOR CRANE COMPONENTS

METHOD OF CONNECTING CRANE SUSPENSION ASSEMBLY SECTIONS TOGETHER AN...

PINNED CONNECTION SYSTEM FOR CRANE COLUMN SEGMENTS

CONNECTION SYSTEM FOR CRANE BOOM SEGMENTS

Crane Backstay Spreader

FOLDING JIB MAIN STRUT AND TRANSPORTABLE REEVED STRUT CAPS

Boom Hoist Transportation System and Crane Using Same

Connection system for crane boom segments