Y10T 74/19488
Spur gears
Y10T74/19488 (Spur gears) appears on 45 US grants and 14 published applications in this corpus.
Search patents in Y10T- Granted patents
- 45
- Published applications
- 14
- Assignees
- 28
- Inventors
- 62
- Latest grant
- 8 Dec 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 2 | 4 |
| 2014 | 2 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Drive mechanism and method8 Dec 2020US 10,859,136 B2Merlin Technology, Inc.
- Pool cleaner drive mechanism21 Apr 2020US 10,626,631 B2Integrated Pool Products (Pty) Ltd
- Drive mechanism and method23 Feb 2016US 9,267,575 B2Merlin Technology, Inc.
- Electric drill forward and reverse rotation automatic switching apparatus10 Mar 2015US 8,973,455 B2Zhejiang University
- Magnetic biasing apparatus1 Jul 2014US 8,766,752 B2Merlin Technology, Inc.
- Pool cleaner drive mechanism9 Nov 2017US 2017/0321442 A1Integrated Pool Products (Pty) Ltd
- Drive mechanism and method26 May 2016US 2016/0146290 A1Merlin Technology, Inc.
- Drive mechanism and method18 Sep 2014US 2014/0260741 A1Merlin Technology, Inc.
- Electric Drill Forward And Reverse Rotation Automatic Switching Apparatus21 Nov 2013US 2013/0305860 A1Zhengyang Industry & Investment Co., Ltd.
- Drive mechanism and method13 Jun 2013US 2013/0146415 A1Merlin Technology, Inc.
Most cited
By later US patents
- Wheelchair drive system30US 5,362,081 A1994
- Power drive rear tine tiller with reversing gear transmission for the tines28US 4,519,459 AMagna American Corporation · 1985
- Variable speed reversible drive for a harvesting apparatus27US 4,138,837 ADeere & Company · 1979
- Driving gear for a muscle power driven vehicle, such as a wheel chair23US 5,167,168 ARevab B.V. · 1992
- Transmission for dual propellers driven by an inboard marine engine18US 5,494,466 A1996