Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7241101 | Double action grab fork and method | Lloyd Bauer, Joseph W. Langenfeld | 2007-07-10 |
| 7172384 | Loader/attachment assembly, method for using a loader/attachment assembly, and combination motor vehicle and loader/attachment assembly | Joseph W. Lagenfeld | 2007-02-06 |
| 7160077 | Grapple assembly, a front end loader having a grapple assembly, and method for operating a grapple assembly | Joseph W. Langenfeld | 2007-01-09 |
| 7152903 | Tractor, a canopy assembly, and a method for attaching a canopy assembly to a tractor | Matthew N. Westendorf, Myron J. Kellen | 2006-12-26 |
| D529053 | Front end loader | James Curtis Stender, Joseph W. Langenfeld | 2006-09-26 |
| D518075 | Front end loader | Joseph W. Langenfeld | 2006-03-28 |
| 7014411 | Front end loader, tractor, and method for attaching a front end loader | Joseph W. Langenfeld, Mitch Gibler | 2006-03-21 |
| 7008162 | Bale lift device, a front end loader having a bale lift device, and method for moving bales | Joseph W. Langenfeld | 2006-03-07 |
| 6994512 | Loader assembly, method for using a loader assembly, and combination motor vehicle and loader assembly | James Curtis Stender, Joseph W. Langenfeld | 2006-02-07 |
| 6994511 | Loader assembly, combination motor vehicle and loader assembly, hydraulic cylinders and methods for operating a loader assembly | Joseph W. Langenfeld | 2006-02-07 |
| 6986634 | Loader/attachment assembly, method for using a loader/attachment assembly, and combination motor vehicle and loader/attachment assembly | Joseph W. Langenfeld | 2006-01-17 |
| D507004 | Front end loader | Joseph W. Langenfeld | 2005-07-05 |
| 6663337 | Bale lift device, a front end loader having a bale lift device, and method for moving bales | Joseph W. Langenfeld | 2003-12-16 |
| 6582177 | Front end loader, tractor, and method for attaching a front end loader | Joseph W. Langenfeld | 2003-06-24 |
| D459368 | Front end loader | Wally Hansen, Joseph W. Langenfeld | 2002-06-25 |
| 6374520 | Bucket for front end loader and method for transporting | Joseph W. Langenfeld | 2002-04-23 |
| D430579 | Canopy visor | Wally Hansen | 2000-09-05 |
| 5997237 | Clam shell bucket and method of operating | Joseph W. Langenfeld | 1999-12-07 |
| D353385 | Combined refrigerator and cover | — | 1994-12-13 |
| D352296 | Keg refrigerator | — | 1994-11-08 |
| 4968213 | Universal tractor loader mount | Joseph W. Langenfeld | 1990-11-06 |
| 4930974 | Extender for a tractor loader | Joseph W. Langenfeld | 1990-06-05 |
| 4915575 | Material handling attachment for a tractor having a multiple-point hitch assembly | Joseph W. Langenfeld | 1990-04-10 |
| 4897013 | Electrically operated material handling attachment for a garden tractor or the like | Randal H. Thompson, Joseph W. Langenfeld | 1990-01-30 |
| 4887939 | Extension arm assembly for a tractor loader | Joseph W. Langenfeld | 1989-12-19 |