B60T 8/4258
With brake pressure relief by creating vacuum inside the expansion unit
Official title: {with brake pressure relief by creating vacuum inside the expansion unit}
B60T8/4258 (With brake pressure relief by creating vacuum inside the expansion unit) appears on 6 US grants and 0 published applications in this corpus.
Search patents in B60T- Granted patents
- 6
- Published applications
- 0
- Assignees
- 3
- Inventors
- 5
- Latest grant
- 6 Feb 1990
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- 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
- Anti-skid brake control system28 Feb 1989US 4,807,946 AFiat Auto S.p.A.
- Anti-lock hydraulic brake system for vehicles with bypass line and relieving device14 Jun 1988US 4,750,790 AAlfred Teves GmbH
No published applications in this class yet.
Most cited
By later US patents
- Master and slave break boosters for front and rear wheel brakes with wheel lock control8US 4,071,283 AGeneral Motors Corporation · 1978
- Brake slip-controlled dual circuit vehicle brake system7US 4,848,848 AAlfred Teves GmbH · 1989
- Anti-lock hydraulic brake system for vehicles with bypass line and relieving device5US 4,750,790 AAlfred Teves GmbH · 1988
- Brake-slip-controlled automotive vehicle brake system2US 4,869,559 AAlfred Teves GmbH · 1989
- Brake pressure modulator for a brake skid-controlled brake system for automotive vehicles2US 4,898,433 AAlfred Teves GmbH · 1990