F16B 2013/008
Used for mining purposes
Official title: {used for mining purposes}
F16B2013/008 (Used for mining purposes) appears on 14 US grants and 0 published applications in this corpus.
Search patents in F16B- Granted patents
- 14
- Published applications
- 0
- Assignees
- 9
- Inventors
- 13
- Latest grant
- 11 Aug 1992
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 8 | 0 |
| 1992 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Dynamic earth anchor, and a sleeve therefor11 Aug 1992US 5,137,395 AIngersoll-Rand Company
- Mine roof anchor assembly having an expansion shell assembly with a friction reducing means31 Dec 1991US 5,076,733 AJennmar Corporation
- Delay stopper for a mine roof anchor and method of manufacture thereof12 Nov 1991US 5,064,312 AJennmar Corporation
- Coupling for anchor rod and sleeve23 Jul 1991US 5,033,909 AIngersoll-Rand Company
- Mechanical expansion anchor shell23 Jul 1991US 5,033,910 AThe Eastern Company
No published applications in this class yet.
Most cited
By later US patents
- Nut member and mine roof support system incorporating same25US 4,618,291 AThe Eastern Company · 1986
- Anchor bolt assembly and utilization24US 4,023,373 AUnion Forge, Inc. · 1977
- Expansion assembly for mine roof bolts24US 4,861,198 AJennmar Corporation · 1989
- Mechanical expansion anchor shell17US 5,033,910 AThe Eastern Company · 1991
- Coated washer for an anchor bolt system16US 4,984,938 AF. M. Locotos Co., Inc. · 1991