B29C 43/22
Compression moulding, i.e. applying external pressure to flow the moulding material: of
Official title: of articles of indefinite length
B29C43/22 (Compression moulding, i.e. applying external pressure to flow the moulding material: of) appears on 1,910 US grants and 1,830 published applications in this corpus.
Search patents in B29C- Granted patents
- 1,910
- Published applications
- 1,830
- Assignees
- 995
- Inventors
- 3,739
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 23 | 0 |
| 1978 | 16 | 0 |
| 1979 | 11 | 0 |
| 1980 | 8 | 0 |
| 1981 | 22 | 0 |
| 1982 | 17 | 0 |
| 1983 | 12 | 0 |
| 1984 | 9 | 0 |
| 1985 | 10 | 0 |
| 1986 | 17 | 0 |
| 1987 | 9 | 0 |
| 1988 | 18 | 0 |
| 1989 | 19 | 0 |
| 1990 | 17 | 0 |
| 1991 | 16 | 0 |
| 1992 | 37 | 0 |
| 1993 | 27 | 0 |
| 1994 | 37 | 0 |
| 1995 | 43 | 0 |
| 1996 | 51 | 0 |
| 1997 | 59 | 0 |
| 1998 | 61 | 0 |
| 1999 | 32 | 0 |
| 2000 | 36 | 0 |
| 2001 | 40 | 17 |
| 2002 | 35 | 47 |
| 2003 | 45 | 70 |
| 2004 | 34 | 69 |
| 2005 | 37 | 82 |
| 2006 | 43 | 69 |
| 2007 | 29 | 63 |
| 2008 | 30 | 66 |
| 2009 | 20 | 65 |
| 2010 | 54 | 71 |
| 2011 | 48 | 73 |
| 2012 | 51 | 79 |
| 2013 | 43 | 77 |
| 2014 | 48 | 90 |
| 2015 | 48 | 96 |
| 2016 | 79 | 109 |
| 2017 | 60 | 98 |
| 2018 | 75 | 87 |
| 2019 | 75 | 81 |
| 2020 | 77 | 65 |
| 2021 | 57 | 65 |
| 2022 | 57 | 73 |
| 2023 | 56 | 63 |
| 2024 | 57 | 52 |
| 2025 | 51 | 57 |
| 2026 | 25 | 46 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29C 43/222Characterised by the shape of the surface762
- B29C 43/24Calendering629
- B29C 43/28Incorporating preformed parts or layers332
- B29C 43/30Making multilayered or multicoloured articles298
- B29C 43/224Having a profiled section82
- B29C 43/228Using endless belts feeding the material between non-rotating pressure members68
- B29C 43/26In several steps57
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Most cited
By later US patents
- Web of blended microfibers and crimped bulking fibers445US 4,118,531 AMinnesota Mining and Manufacturing Company · 1978
- Multilayer golf ball433US 5,688,191 AAcushnet Company · 1997
- Papermaking belt and method of making the same using differential light transmission techniques387US 5,334,289 AThe Procter & Gamble Company · 1994
- Release surfaces, particularly for use in nanoimprint lithography323US 6,309,580 B1Regents of the University of Minnesota · 2001
- Medical article having fluid control film323US 6,420,622 B13M Innovative Properties Company · 2002