Y10T 408/6774
Including plural speed drive
Official title: including plural speed drive
Y10T408/6774 (Including plural speed drive) appears on 10 US grants and 2 published applications in this corpus.
Search patents in Y10T- Granted patents
- 10
- Published applications
- 2
- Assignees
- 10
- Inventors
- 14
- Latest grant
- 6 Nov 2007
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 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Drilling/tapping/unscrewing apparatus6 Nov 2007US 7,290,964 B2Lee Yeong Industrial Co., Ltd.
- Rotary drive with a speed27 Aug 2002US 6,438,813 B1Maschinenfabrik Berthold Hermle AG
- Boring apparatus6 Dec 1988US 4,789,274 ANitto Kohki Co., Ltd.
- Two speed transmission for power driven threading machine19 Jul 1988US 4,757,598 AEmerson Electric Co.
- Family of electric drills and two-speed gear box therefor1 Dec 1987US 4,710,071 ABlack & Decker Inc.
Most cited
By later US patents
- Family of electric drills and two-speed gear box therefor54US 4,710,071 ABlack & Decker Inc. · 1987
- Apparatus for translating rotational motion and torque37US 4,641,551 AHall Surgical Division of Zimmer, Inc. · 1987
- Two speed transmission for power driven threading machine29US 4,757,598 AEmerson Electric Co. · 1988
- Positive feed drill with rapid advance14US 4,083,646 AZephyr Manufacturing Co., Inc. · 1978
- Machine tools10US 4,008,647 ATextron Inc. · 1977