B29C 41/042
By rotating a mould around its axis of symmetry
Official title: {by rotating a mould around its axis of symmetry (for concrete B28B21/30)}
B29C41/042 (By rotating a mould around its axis of symmetry) appears on 257 US grants and 195 published applications in this corpus.
Search patents in B29C- Granted patents
- 257
- Published applications
- 195
- Assignees
- 187
- Inventors
- 535
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 9 | 0 |
| 1994 | 13 | 0 |
| 1995 | 5 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 3 |
| 2002 | 7 | 5 |
| 2003 | 2 | 8 |
| 2004 | 3 | 8 |
| 2005 | 2 | 12 |
| 2006 | 6 | 5 |
| 2007 | 4 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 6 |
| 2010 | 2 | 13 |
| 2011 | 0 | 5 |
| 2012 | 2 | 4 |
| 2013 | 6 | 8 |
| 2014 | 4 | 10 |
| 2015 | 7 | 10 |
| 2016 | 7 | 19 |
| 2017 | 7 | 14 |
| 2018 | 9 | 10 |
| 2019 | 10 | 4 |
| 2020 | 12 | 10 |
| 2021 | 10 | 9 |
| 2022 | 5 | 7 |
| 2023 | 4 | 7 |
| 2024 | 7 | 6 |
| 2025 | 8 | 4 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Additive manufacturing apparatus, system and method13 Jan 2026US 12,521,939 B2Turbo 3D LLC
- Pet preform injection system and production method23 Dec 2025US 12,502,812 B2Fr Makina Ve Muhendislik Anonim Sirketi
- Weight device with handle and manufacturing method thereof21 Oct 2025US 12,447,373 B2Trial S.R.L.
- Processes and/or machines for producing continuous plastic deformation, and/or compositions and/or manufactures produced thereby8 Jul 2025US 12,350,740 B2
- Polarizing film, method for molding polarizing film, and method for producing polarizing lens24 Jun 2025US 12,337,559 B2Hoya Lens Thailand Ltd.
- Furniture with surface texture27 Aug 2026US 2026/0249523 A1
- Apparatus and Method for Rotationally Molding an Item14 May 2026US 2026/0131507 A1Cambro Manufacturing Company
- Additive manufacturing system and method7 May 2026US 2026/0124802 A1Turbo 3D LLC
- Method and apparatus for preparing a tubular structure23 Apr 2026US 2026/0109923 A1The University Court of the University of Edinburgh
- Machine for rotational moulding9 Apr 2026US 2026/0097543 A1
Most cited
By later US patents
- Coated abrasives and methods of preparation171US 5,924,917 AMinnesota Mining and Manufacturing Company · 1999
- Method for making a plastic optical element having a gradient index of refraction105US 4,022,855 AEastman Kodak Company · 1977
- Balloon for an intraocular lens and processes for its production101US 5,035,710 AMenicon Co., Ltd. · 1991
- Manufacture of water-swellable hydrophilic articles and drug delivery devices75US 5,292,515 AHydro Med Sciences, a Division of National Patent Development Corporation · 1994
- Method of making ultra thin walled wire reinforced endotracheal tubing75US 5,537,729 AThe United States of America, as represented by the Secretary, Department of Health and Human Services · 1996