B28B 21/80
Adapted to centrifugal or rotational moulding
Official title: adapted to centrifugal or rotational moulding
B28B21/80 (Adapted to centrifugal or rotational moulding) appears on 9 US grants and 3 published applications in this corpus.
Search patents in B28B- Granted patents
- 9
- Published applications
- 3
- Assignees
- 8
- Inventors
- 15
- Latest grant
- 17 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 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 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pre-stressed concrete pipe17 Jan 2023US 11,555,562 B1
- Method for preparing rotolined articles1 Aug 2017US 9,718,090 B2Total Research & Technology Feluy
- Rotolined articles17 Feb 2015US 8,956,708 B2Total Research & Technology Feluy
- Method for automatically tightening and untightening a bolt14 Mar 1995US 5,396,686 AKabushiki Kaisha Kobe Seiko Sho
- Method and apparatus for automatically tightening and untightening a bolt21 Sep 1993US 5,245,895 AKabushiki Kaisha Kobe Seiko Sho
- Hollow cylinder of ceramic material, a method for the production thereof and use thereof29 Aug 2019US 2019/0263703 A1Qsil GmbH Quarzschmelze Ilmenau
- Rotolined Articles2 Apr 2015US 2015/0093505 A1Total Research & Technology Feluy
- Rotolined Articles9 Jun 2011US 2011/0135918 A1Total Petrochemicals Research Feluy
Most cited
By later US patents
- Method for producing a composite pipe in a rotating drum4US 5,082,614 APeter Hartmann Beteiligungen AG · 1992
- Mold for manufacturing objects by a centrifugal casting method3US 4,601,923 ACentricon Maschinenbau Emil Bonato & Co. KG · 1986
- Method and apparatus for automatically tightening and untightening a bolt3US 5,245,895 AKabushiki Kaisha Kobe Seiko Sho · 1993
- Split mould for making tapered concrete poles2US 4,084,782 ANippon Concrete Kogyo Kabushiki Kaisha · 1978
- Apparatus for producing a composite pipe in a rotating drum1US 5,238,384 AVon Roll AG · 1993