B62B 5/021
Specially adapted for escalators
Official title: {specially adapted for escalators}
B62B5/021 (Specially adapted for escalators) appears on 8 US grants and 0 published applications in this corpus.
Search patents in B62B- Granted patents
- 8
- Published applications
- 0
- Assignees
- 3
- Inventors
- 8
- Latest grant
- 1 May 2001
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Baggage pushcart configured for negotiating escalator stairways1 May 2001US 6,224,068 B1Exedy Corporation
- Luggage or shopping cart having a self-locking front caster wheel assembly17 Oct 2000US 6,131,936 AExedy Corporation
- Fall suppressing device for a vehicle configured to ride on descending and ascending escalators3 Oct 2000US 6,126,176 AExedy Corporation
- Cart for negotiating escalators1 Oct 1996US 5,560,626 A
- Cart for negotiating escalators14 May 1996US 5,516,127 AGuilford Glazer
No published applications in this class yet.
Most cited
By later US patents
- Versatile cart apparatus47US 4,381,870 ASmarte Carte, Inc. · 1983
- Cart apparatus with improved handle31US 4,733,877 ASmarte Carte, Inc. · 1988
- Cart for negotiating escalators9US 5,560,626 A1996
- Luggage or shopping cart having a self-locking front caster wheel assembly8US 6,131,936 AExedy Corporation · 2000
- Cart for negotiating escalators5US 5,516,127 AGuilford Glazer · 1996