G03B 1/04
Pull exerted by take-up spool
G03B1/04 (Pull exerted by take-up spool) appears on 153 US grants and 22 published applications in this corpus.
Search patents in G03B- Granted patents
- 153
- Published applications
- 22
- Assignees
- 54
- Inventors
- 214
- Latest grant
- 5 Jan 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 13 | 0 |
| 1978 | 8 | 0 |
| 1979 | 14 | 0 |
| 1980 | 12 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 11 | 0 |
| 2001 | 8 | 1 |
| 2002 | 6 | 4 |
| 2003 | 2 | 3 |
| 2004 | 5 | 5 |
| 2005 | 2 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 4 |
| 2018 | 1 | 0 |
| 2019 | 4 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Film positioning devices and methods5 Jan 2021US 10,884,332 B2
- Method for manufacturing separator web, method for manufacturing separator, separator web, and apparatus for manufacturing separator web26 May 2020US 10,665,838 B2Sumitomo Chemical Company, Limited
- Film production method and film production device16 Jul 2019US 10,355,256 B2Sumitomo Chemical Company, Limited
- Film production method and film production device16 Apr 2019US 10,263,233 B2Sumitomo Chemical Company, Limited
- Film production method and film production device8 Jan 2019US 10,177,358 B2Sumitomo Chemical Company, Limited
- Film positioning devices and methods12 Mar 2020US 2020/0081320 A1
- Film production method and film production device2 Nov 2017US 2017/0317327 A1Sumitomo Chemical Company, Limited
- Method for manufacturing separator web, method for manufacturing separator, separator web, and apparatus for manufacturing separator web26 Oct 2017US 2017/0307542 A1Sumitomo Chemical Company, Limited
- Production method for separator sheet, production method for separator, separator sheet wound body, and separator sheet production device26 Oct 2017US 2017/0307543 A1Sumitomo Chemical Company, Limited
- Film production method and film production device26 Oct 2017US 2017/0307971 A1Sumitomo Chemical Company, Limited
Most cited
By later US patents
- Photographic camera and film48US 5,049,908 ASony Corporation · 1991
- Compact photographic camera having lens slide38US 5,790,907 AEastman Kodak Company · 1998
- Retractable camera36US 4,032,940 AW. Haking Industries, Ltd. · 1977
- Flat film cassette for compact photographic camera36US 5,790,911 AEastman Kodak Company · 1998
- Ultrasonic motor26US 4,935,659 AFuji Photo Film Co., Ltd. · 1990