Willis R Campbell
Inventor
Stats
- 44 US patents issued
- 44 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 44 US Patents Issued
- 44 US Applications Filed
- 441 Total Citation Count
- Feb 1, 2001 Most Recent Filing
- Aug 14, 1978 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| Gehl Company | 1
| 1997
|
| Sperry Corporation | 1
| 1978
|
| FORD NEW HOLLAND, INC. | 1
| 1982
|
| BLUE LEAF I.P., INC. | 1
2 2 6 7 2 3 2 3 | 1978
1979 1980 1981 1982 1983 1984 1985 1994 |
| SEPARATION OIL SERVICES, INC. | 1
1 1 2 1 1 3 | 1992
1994 1995 1996 1998 1999 2000 |
Inventor Addresses
| Address | Duration |
|---|---|
| 14129 Locust St., Olathe, KS 66062 | May 30, 95 - Sep 20, 05 |
| Ephrata, PA | Jun 10, 80 - Jul 01, 86 |
| Olathe, KS | May 31, 94 - Aug 03, 99 |
| R.D. #3, Box 58, Ephrata, PA 17522 | Apr 30, 85 - Apr 30, 85 |
| R.D. #4, Box 58, Ephrata, PA 17522 | Mar 03, 87 - Mar 03, 87 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| A01D: | HARVESTING; MOWING | 20 |
| A01F: | THRESHING; BALING OF STRAW, HAY OR THE LIKE; STATIONARY APPARATUS OR HAND TOOLS FOR FORMING OR BINDING STRAW OR HAY INTO BUNDLES; CUTTING OF HAY, STRAW OR THE LIKE; STORING AGRICULTURAL OR HORTICULTURAL PRODUCE | 1 |
| B02C: | CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN | 8 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 6945484 | 2005 | Method and apparatus for processing municipal waste | 13 |
| 6467708 | 2002 | Method of processing municipal waste | 11 |
| 6464155 | 2002 | Method of processing animal waste and parts | 0 |
| 6412716 | 2002 | Method and apparatus for processing municipal sludge waste | 4 |
| 6398138 | 2002 | Method of extracting nylon fiber from a comminuter | 18 |
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