G03B 1/56
Threading
Official title: Threading; Loop forming
G03B1/56 (Threading) appears on 114 US grants and 6 published applications in this corpus.
Search patents in G03B- Granted patents
- 114
- Published applications
- 6
- Assignees
- 44
- Inventors
- 180
- Latest grant
- 26 May 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 4 |
| 2018 | 1 | 0 |
| 2019 | 4 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- 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
- Production method for separator sheet, production method for separator, separator sheet wound body, and separator sheet production device1 Jan 2019US 10,168,285 B2Sumitomo Chemical Company, Limited
- 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
- Lens frame, lens assembly and image-taking apparatus1 Apr 2010US 2010/0080552 A1FUJIFILM Corporation
Most cited
By later US patents
- Photographic camera and film48US 5,049,908 ASony Corporation · 1991
- Web threading system42US 4,186,860 ACrown Zellerbach Corporation · 1980
- Automatic film winder for camera36US 4,274,726 AKonishiroku Photo Industry Co., Ltd. · 1981
- Mechanism for joining tape leaders25US 4,720,913 ADigital Equipment Corporation · 1988
- Camera and film winding mechanism thereof24US 5,298,930 AOlympus Optical Co., Ltd. · 1994