B29L 2031/76
Office equipment or accessories
Official title: {Office equipment or accessories}
B29L2031/76 (Office equipment or accessories) appears on 32 US grants and 5 published applications in this corpus.
Search patents in B29L- Granted patents
- 32
- Published applications
- 5
- Assignees
- 14
- Inventors
- 38
- Latest grant
- 19 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 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 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Manufacturing method for film structure19 Apr 2022US 11,309,146 B2Acrox Technologies Co., Ltd.
- Mineral paper1 Dec 2015US 9,200,411 B2
- Method of spin casting an ophthalmic device with a central aperture21 Apr 1987US 4,659,522 A
- Spin cast ocular cosmetic device with color separation27 Jan 1987US 4,639,105 A
- Gyroscopically stabilized spin cast machine20 Jan 1987US 4,637,791 A
- Mouse pad manufacturing device for various coil thickness25 Sep 2025US 2025/0298476 A1Yuhong Electronic (Shenzhen) Co., Ltd.
- Integration of Keyboard Device and Film Structure25 Jun 2020US 2020/0203097 A1Acrox Technologies Co., Ltd.
- Manufacturing Method for Film Structure25 Jun 2020US 2020/0203099 A1Acrox Technologies Co., Ltd.
- Method for producing roller for office automation equipment5 Nov 2015US 2015/0314504 A1Sumitomo Electric Fine Polymer, Inc.
- Mineral Paper9 Apr 2015US 2015/0097310 A1New Millenium LLC
Most cited
By later US patents
- Apparatus for forming optical lenses382US 4,113,224 ABausch & Lomb Incorporated · 1978
- Method for forming optical lenses363US 4,197,266 ABausch & Lomb Incorporated · 1980
- Method for making a plastic optical element having a gradient index of refraction105US 4,022,855 AEastman Kodak Company · 1977
- Contact lens mold105US 4,284,399 AAmerican Optical Corporation · 1981
- Apparatus for the production of contact lenses97US 4,121,896 A1978