F16D 69/022
In the form of fibres
Official title: {in the form of fibres}
F16D69/022 (In the form of fibres) appears on 20 US grants and 0 published applications in this corpus.
Search patents in F16D- Granted patents
- 20
- Published applications
- 0
- Assignees
- 15
- Inventors
- 34
- Latest grant
- 5 Oct 1993
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Organic friction material composition for use to produce friction linings5 Oct 1993US 5,250,588 ACeram-Sna Inc.
- Fibrous material-based friction member14 Apr 1987US 4,657,951 AGun Ei Chemical Industry Co., Ltd.
- Motor vehicle clutch facing and friction property modifier therefor31 May 1983US 4,385,682 AAisin Kako Kabushiki Kaisha
- Clutch facing material and method for manufacturing the same21 Dec 1982US 4,364,997 AAisin Kako Kabushiki Kaisha
- Friction material13 Apr 1982US 4,324,706 AAdebono Brake Industry Co., Ltd.
No published applications in this class yet.
Most cited
By later US patents
- Friction material65US 4,324,706 AAdebono Brake Industry Co., Ltd. · 1982
- Fibrous material-based friction member48US 4,657,951 AGun Ei Chemical Industry Co., Ltd. · 1987
- Less abrasive composition railroad brake shoe material41US 3,959,194 AJohns Manville · 1976
- Friction material24US 4,218,361 AMolded Materials Company, Div. Carlisle Corporation · 1980
- High carbon friction material21US 4,175,070 AThe Bendix Corporation · 1979