B29L 2031/326
Made wholly of plastics
Official title: {made wholly of plastics}
B29L2031/326 (Made wholly of plastics) appears on 24 US grants and 22 published applications in this corpus.
Search patents in B29L- Granted patents
- 24
- Published applications
- 22
- Assignees
- 19
- Inventors
- 70
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 3 |
| 2005 | 3 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 2 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 2 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Conveyor roller tube21 Jan 2025US 12,202,677 B2Prok Conveyor Components PTY LTD
- Electrically conductive rubber composition, transfer roller, and image forming apparatus28 Feb 2017US 9,583,232 B2Sumitomo Rubber Industries, Ltd.
- Conductive roller and manufacturing method thereof3 Jan 2017US 9,535,354 B2Bridgestone Corporation
- Forming screens11 Jun 2013US 8,460,778 B2Tredegar Film Products Corporation
- Conductive roller3 Jul 2012US 8,211,000 B2Sumitomo Rubber Industries, Ltd.
- Conveyor roller tube27 Mar 2025US 2025/0100809 A1Prok Conveyor Components PTY LTD
- Conveyor roller tube5 Oct 2023US 2023/0312260 A1Prok Conveyor Components PTY LTD
- Rollers for vacuum cleaners28 Jul 2022US 2022/0233039 A1Lupe Technology Limited
- Roller cover core and method of manufacture11 Apr 2019US 2019/0105682 A1
- Foam roller20 Jul 2017US 2017/0202730 A1
Most cited
By later US patents
- Cartridge cases and process for the production thereof42US 4,140,058 ADynamit Nobel Aktiengesellschaft · 1979
- Method and apparatus for making paint roller cover33US 5,694,688 AThe Wooster Brush Company · 1997
- Developing device used in electrophotographic field and method of producing developing roller incorporated therein21US 5,076,201 AFujitsu Limited · 1991
- Method and apparatus for making paint roller cover with thermo plastic core20US 5,537,745 AThe Wooster Brush Company · 1996
- Methods and apparatus for making paint roller covers with thermoplastic cores16US 6,231,711 B1The Wooster Brush Company · 2001