B60T 8/425
Using a vacuum
Official title: {using a vacuum}
B60T8/425 (Using a vacuum) appears on 32 US grants and 0 published applications in this corpus.
Search patents in B60T- Granted patents
- 32
- Published applications
- 0
- Assignees
- 16
- Inventors
- 26
- Latest grant
- 27 Aug 1991
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Hydraulic braking systems for vehicles27 Aug 1991US 5,042,884 ALucas Industries public limited company
- Brake pressure modulator for a brake skid-controlled brake system for automotive vehicles6 Feb 1990US 4,898,433 AAlfred Teves GmbH
- Brake-slip-controlled automotive vehicle brake system26 Sep 1989US 4,869,559 AAlfred Teves GmbH
- Brake slip-controlled dual circuit vehicle brake system18 Jul 1989US 4,848,848 AAlfred Teves GmbH
- Pneumatic-hydraulic pressure transducer6 Jun 1989US 4,836,092 AFAG Kugelfischer Georg Schafer (KGaA)
No published applications in this class yet.
Most cited
By later US patents
- Anti-skid hydraulic braking systems for vehicles24US 4,457,563 ALucas Industries public limited company · 1984
- Hydraulic pressure control system for split brake system18US 4,229,049 AAisin Seiki Kabushiki Kaisha · 1980
- Vacuum operatable differential servo-motor18US 4,365,538 AAisin Seiki Kabushiki Kaisha · 1982
- Anti-skid hydraulic braking systems for vehicles16US 4,436,348 ALucas Industries public limited company · 1984
- Modulator for anti-skid brake control system11US 4,095,851 AAisin Seiki Kabushiki Kaisha · 1978