Langenfeld; Joseph W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Langenfeld; Joseph W..The latest application filed is for "hydraulic line attachment device and method".

Company Profile

1.43.22

Langenfeld; Joseph W. - Onawa IA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Hydraulic line attachment device and method Grant 10,240,703 - Langenfeld , et al.	2019-03-26
Hydraulic Line Attachment Device And Method App 20160245444 - Langenfeld; Joseph W. ; et al.	2016-08-25
Hydraulic line attachment device and method Grant 9,169,613 - Langenfeld , et al. October 27, 2	2015-10-27
Hydraulic Line Attachment Device And Method App 20140131992 - Langenfeld; Joseph W. ; et al.	2014-05-15
Hydraulic line attachment device and method Grant 8,517,428 - Langenfeld , et al. August 27, 2	2013-08-27
Loader assembly and method providing for cantilevered storage of lift arms Grant 8,322,969 - Westendorf , et al. December 4, 2	2012-12-04
Front end loader attachment and locking mechanism Grant 8,287,226 - Westendorf , et al. October 16, 2	2012-10-16
Independent hydraulic pinching fingers with detachable secondary implement Grant 8,221,049 - Westendorf , et al. July 17, 2	2012-07-17
Hydraulic Line Attachment Device And Method App 20110308635 - Langenfeld; Joseph W. ; et al.	2011-12-22
Hydraulic line attachment device and method Grant 8,007,010 - Langenfeld , et al. August 30, 2	2011-08-30
Hydraulic line attachment device and method App 20100148494 - Langenfeld; Joseph W. ; et al.	2010-06-17
Hydraulic line attachment device and method Grant 7,717,471 - Langenfeld , et al. May 18, 2	2010-05-18
Independent hydraulic pinching fingers attachment for utility vehicles Grant 7,566,197 - Westendorf , et al. July 28, 2	2009-07-28
Material-handling bucket with scraper blade Grant 7,562,473 - Westendorf , et al. July 21, 2	2009-07-21
Expanded barrel hydraulic cylinder assembly Grant 7,455,010 - Westendorf , et al. November 25, 2	2008-11-25
Pinching fingers attachment for utility vehicles Grant 7,431,554 - Westendorf , et al. October 7, 2	2008-10-07
Loader assembly, method for using a loader assembly, and combination motor vehicle and loader assembly Grant 7,326,026 - Stender , et al. February 5, 2	2008-02-05
Expanded barrel hydraulic cylinder assembly App 20070186765 - Westendorf; Neal W. ; et al.	2007-08-16
Loader assembly, combination motor vehicle and loader assembly, hydraulic cylinders and methods for operating a loader assembly Grant 7,243,593 - Westendorf , et al. July 17, 2	2007-07-17
Double action grab fork and method Grant 7,241,101 - Bauer , et al. July 10, 2	2007-07-10
Independent hydraulic pinching fingers attachment for utility vehicles App 20070059148 - Westendorf; Neal W. ; et al.	2007-03-15
Grapple assembly, a front end loader having a grapple assembly, and method for operating a grapple assembly Grant 7,160,077 - Westendorf , et al. January 9, 2	2007-01-09
Front end loader Grant D529,053 - Stender , et al. September 26, 2	2006-09-26
Front end loader, tractor, and method for attaching a front end loader App 20060182593 - Westendorf; Neal W. ; et al.	2006-08-17
Loader assembly, method for using a loader assembly, and combination motor vehicle and loader assembly App 20060182592 - Stender; James Curtis ; et al.	2006-08-17
Hydraulic line attachment device and method App 20060170209 - Langenfeld; Joseph W. ; et al.	2006-08-03
Bale lift device, a front end loader having a bale lift device, and method for moving bales App 20060120847 - Westendorf; Neal W. ; et al.	2006-06-08
Material-handling bucket with scraper blade App 20060070268 - Westendorf; Neal W. ; et al.	2006-04-06
Hydraulic line attachment device and method Grant 7,021,668 - Langenfeld , et al. April 4, 2	2006-04-04
Front end loader Grant D518,075 - Westendorf , et al. March 28, 2	2006-03-28
Front end loader, tractor, and method for attaching a front end loader Grant 7,014,411 - Westendorf , et al. March 21, 2	2006-03-21
Pinching fingers attachment for utility vehicles App 20060051194 - Westendorf; Neal W. ; et al.	2006-03-09
Grapple assembly, a front end loader having a grapple assembly, and method for operating a grapple assembly App 20060051193 - Westendorf; Neal W. ; et al.	2006-03-09
Bale lift device, a front end loader having a bale lift device, and method for moving bales Grant 7,008,162 - Westendorf , et al. March 7, 2	2006-03-07
Loader assembly, combination motor vehicle and loader assembly, hydraulic cylinders and methods for operating a loader assembly Grant 6,994,511 - Westendorf , et al. February 7, 2	2006-02-07
Loader assembly, method for using a loader assembly, and combination motor vehicle and loader assembly Grant 6,994,512 - Stender , et al. February 7, 2	2006-02-07
Loader/attachment assembly, method for using a loader/attachment assembly, and combination motor vehicle and loader/attachment assembly Grant 6,986,634 - Westendorf , et al. January 17, 2	2006-01-17
Hydraulic line attachment device and method App 20050184510 - Langenfeld, Joseph W. ; et al.	2005-08-25
Loader assembly, method for using a loader assembly, and combination motor vehicle and loader assembly App 20050175438 - Stender, James Curtis ; et al.	2005-08-11
Loader assembly, combination motor vehicle and loader assembly, hydraulic cylinders and methods for operating a loader assembly App 20050172795 - Westendorf, Neal W. ; et al.	2005-08-11
Front end loader Grant D507,004 - Westendorf , et al. July 5, 2	2005-07-05
Loader assembly, combination motor vehicle and loader assembly, hydraulic cylinders and methods for operating a loader assembly App 20050111953 - Westendorf, Neal W. ; et al.	2005-05-26
Loader/attachment assembly, method for using a loader/attachment assembly, and combination motor vehicle and loader/attachment assembly App 20050111952 - Westendorf, Neal W. ; et al.	2005-05-26
Bale lift device, a front end loader having a bale lift device, and method for moving bales App 20040126217 - Westendorf, Neal W. ; et al.	2004-07-01
Front end loader, tractor, and method for attaching a front end loader App 20040042888 - Westendorf, Neal W. ; et al.	2004-03-04
Bale lift device, a front end loader having a bale lift device, and method for moving bales Grant 6,663,337 - Westendorf , et al. December 16, 2	2003-12-16
Double action grab fork and method App 20030223852 - Bauer, Lloyd ; et al.	2003-12-04
Front end loader, tractor, and method for attaching a front end loader Grant 6,582,177 - Westendorf , et al. June 24, 2	2003-06-24
Bale lift device, a front end loader having a bale lift device, and method for moving bales App 20020106272 - Westendorf, Neal W. ; et al.	2002-08-08
Front end loader Grant D459,368 - Westendorf , et al. June 25, 2	2002-06-25
Clam shell bucket and method of operating Grant 5,997,237 - Langenfeld , et al. December 7, 1	1999-12-07
Universal tractor loader mount Grant 4,968,213 - Langenfeld , et al. November 6, 1	1990-11-06
Extender for a tractor loader Grant 4,930,974 - Langenfeld , et al. June 5, 1	1990-06-05
Material handling attachment for a tractor having a multiple-point hitch assembly Grant 4,915,575 - Langenfeld , et al. * April 10, 1	1990-04-10
Electrically operated material handling attachment for a garden tractor or the like Grant 4,897,013 - Thompson , et al. January 30, 1	1990-01-30
Material handling attachment for a tractor having a multiple-point hitch assembly Grant 4,859,130 - Langenfeld , et al. August 22, 1	1989-08-22
Material handling attachment for a tractor having a multiple-point hitch assembly Grant 4,753,568 - Langenfeld , et al. June 28, 1	1988-06-28
Material handling attachment for a tractor having a multiple-point hitch assembly including a high-lift mechanism Grant 4,746,254 - Langenfeld , et al. May 24, 1	1988-05-24
Quick-mount loader for articulated tractors Grant 4,606,692 - Langenfeld , et al. August 19, 1	1986-08-19
Adjustable tower for front end tractor loaders Grant 4,538,955 - Langenfeld , et al. September 3, 1	1985-09-03
Automatic hitch device Grant 4,431,207 - Langenfeld , et al. February 14, 1	1984-02-14
Auger wagon Grant 4,415,303 - Westendorf , et al. November 15, 1	1983-11-15
Means for hydraulic self-leveling of a loader bucket Grant 4,266,909 - Langenfeld , et al. May 12, 1	1981-05-12
Method and apparatus for power mounting an implement on a tractor Grant 4,222,442 - Westendorf , et al. September 16, 1	1980-09-16