B61C 15/02
Maintaining or augmenting the starting or braking power by auxiliary devices and
Official title: by auxiliary driving wheels; by temporary coupling or use of fly wheels or booster engines
B61C15/02 (Maintaining or augmenting the starting or braking power by auxiliary devices and) appears on 4 US grants and 0 published applications in this corpus.
Search patents in B61C- Granted patents
- 4
- Published applications
- 0
- Assignees
- 2
- Inventors
- 6
- Latest grant
- 16 Sep 1997
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Overhead vehicle having spring-biased, rail-urged lever-mounted guide wheel for electrically powered drive wheel16 Sep 1997US 5,666,884 A
- Electric overhead trolley system with auxiliary rail and driven auxiliary wheel for traction3 Mar 1992US 5,092,249 AFredenhagen KG
- Overhead conveyor which provides increased reactive force and traction to drive wheel on ascending rail sections3 Dec 1991US 5,069,141 AYamaha Hatsudoki Kabushiki Kaisha
- Rolling contact suction system for vehicle braking and adhesion13 Oct 1987US 4,699,252 A
No published applications in this class yet.
Most cited
By later US patents
- Overhead conveyor which provides increased reactive force and traction to drive wheel on ascending rail sections32US 5,069,141 AYamaha Hatsudoki Kabushiki Kaisha · 1991
- Rolling contact suction system for vehicle braking and adhesion15US 4,699,252 A1987
- Electric overhead trolley system with auxiliary rail and driven auxiliary wheel for traction9US 5,092,249 AFredenhagen KG · 1992