B21D 15/10
By applying fluid pressure
Official title: by applying fluid pressure
B21D15/10 (By applying fluid pressure) appears on 55 US grants and 26 published applications in this corpus.
Search patents in B21D- Granted patents
- 55
- Published applications
- 26
- Assignees
- 40
- Inventors
- 111
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 6 | 2 |
| 2003 | 3 | 4 |
| 2004 | 2 | 1 |
| 2005 | 2 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 3 |
| 2018 | 3 | 2 |
| 2019 | 0 | 1 |
| 2020 | 2 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 3 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method of creating a plurality of longitudinally separated circumferential dents in a wellbore tubular30 Dec 2025US 12,509,953 B2Shell USA, Inc.
- Metal bellows for downhole use18 Mar 2025US 12,253,175 B2Tco AS
- Ball screw device, machine component manufacturing method, machine manufacturing method, vehicle manufacturing method, machine component, machine, vehicle, hydraulic forming method, and hydraulic forming die25 Feb 2025US 12,234,894 B2Nsk Ltd.
- Bellow internal-external pressure crimping method and crimping- compressing device19 Dec 2023US 11,845,120 B2
- Method for blow molding metal containers22 Jun 2021US 11,040,387 B21949467 Ontario Inc.
- Method of creating a plurality of longitudinally separated circumferential dents in a wellbore tubular5 Jun 2025US 2025/0179891 A1Shell USA, Inc.
- Ball screw device, machine component manufacturing method, machine manufacturing method, vehicle manufacturing method, machine component, machine, vehicle, hydraulic forming method, and hydraulic forming die17 Apr 2025US 2025/0122926 A1Nsk Ltd.
- Ball screw device, machine component manufacturing method, machine manufacturing method, vehicle manufacturing method, machine component, machine, vehicle, hydraulic forming method, and hydraulic forming die8 Jun 2023US 2023/0175577 A1Nsk Ltd.
- Inner pipe for liquid heating apparatus, and liquid heating apparatus and manufacturing method therefor6 Oct 2022US 2022/0316757 A1Heating Leader Electronic Technology Co., Ltd
- Metal Bellows for Downhole Use25 Aug 2022US 2022/0268360 A1Tco AS
Most cited
By later US patents
- Tube expander utilizing hydraulically actuated pistons44US 4,006,619 A1977
- “Corrugated thick-walled pipe for use in wellbores”39US 6,409,226 B1Noetic Engineering Inc. · 2002
- Apparatus for producing a corrugated tube33US 4,319,471 ABenteler-Werke AG · 1982
- Method for producing a bellows with oval cross section and apparatus for carrying out the method19US 4,827,747 AHitachi, Ltd. · 1989
- Method of manufacturing a lead screw and sleeve mechanism using a hydroforming process17US 6,497,030 B1Dana Corporation · 2002