Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6088881 | Method and apparatus for separating foreign matter from fibrous material | Donald W. Van Doorn | 2000-07-18 |
| 5546855 | Automatic bale tying apparatus | Donald W. Van Doorn, Mark David Cory | 1996-08-20 |
| 4747251 | Portable bin transfer system | Donald W. Van Doorn, Francis W. Carpenter, III, Wilbur G. Hudson, Tommy W. Webb, William D. Beeland | 1988-05-31 |
| 4617862 | Portable bin transfer system | Donald W. Van Doorn, Francis W. Carpenter, III, Wilbur G. Hudson, Tommy W. Webb, William D. Beeland | 1986-10-21 |
| 4610575 | Apparatus for removing quantities of fiber from bales for blending purposes and the like | Donald W. Van Doorn, William A. Harmon, Terry L. McKenzie, Michael A. Hollingsworth | 1986-09-09 |
| 4573403 | Swinging charge door for baler | Donald W. Van Doorn, Francis W. Carpenter, III, Robert E. Lange, Tommy W. Webb | 1986-03-04 |
| 4569264 | Apparatus for cutting elongated material into shorter lengths | Donald W. Van Doorn, William A. Harmon, Terry L. McKenzie, William D. Beeland | 1986-02-11 |
| 4550657 | Baling chamber assembly | Donald W. Van Doorn, Francis W. Carpenter, III, Robert E. Lange, Tommy W. Webb | 1985-11-05 |
| 4497085 | Apparatus for feeding modules of seed cotton into disperser apparatus | Donald W. Van Doorn, Tommy W. Webb, William A. Harmon | 1985-02-05 |
| RE31802 | Roller gin and feed system incorporating the same | Robert R. Einglett, John M. Conner, William A. Harmon, William C. Pease, III, Donald W. Van Doorn | 1985-01-15 |
| 4463669 | System for baling textile waste from a plurality of sources | Donald W. Van Doorn, Francis W. Carpenter, III, Wilbur G. Hudson, Tommy W. Webb, William S. Phillips +2 more | 1984-08-07 |
| 4458381 | Cotton ginning system embodying a lint cleaner | Donald W. Van Doorn, Tommy W. Webb | 1984-07-10 |
| 4407047 | Cotton ginning system embodying a lint cleaner and process of operating the same | Donald W. Van Doorn, Tommy W. Webb | 1983-10-04 |
| 4369681 | Inside-out cutter for elongated material such as tow | Donald W. Van Doorn | 1983-01-25 |
| 4262390 | Roller gin and feed system incorporating the same | Robert R. Einglett, John M. Conner, William A. Harmon, William C. Pease, III, Donald W. Van Doorn | 1981-04-21 |
| 4261399 | Apparatus for cutting piling and the like | Frank W. Carpenter, Robert E. Lange | 1981-04-14 |
| 4249850 | Apparatus for loading, transporting and unloading modules of seed cotton and the like | Donald W. Van Doorn, Roy T. Williams | 1981-02-10 |