B23K 26/302
Of helicoidal seams
Official title: of helicoidal seams
B23K26/302 (Of helicoidal seams) appears on 24 US grants and 26 published applications in this corpus.
Search patents in B23K- Granted patents
- 24
- Published applications
- 26
- Assignees
- 27
- Inventors
- 70
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 3 |
| 2020 | 1 | 2 |
| 2021 | 0 | 2 |
| 2022 | 1 | 4 |
| 2023 | 4 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Turbocharger turbine assembly having post attachment via a tailed laser beam weld25 Mar 2025US 12,257,645 B2Garrett Transportation I Inc.
- Tube and a method of manufacturing a tube6 Aug 2024US 12,053,811 B2Kanthal AB
- Double-wall spiral welded pipe and manufacturing method thereof24 Oct 2023US 11,796,092 B2Nanjing Lianzhong Engineering Technology Co., Ltd
- Method for producing a drill shaft for a wet drill bit15 Aug 2023US 11,724,339 B2Hilti Aktiengesellschaft
- Tube and a method of manufacturing a tube14 Mar 2023US 11,602,780 B2Sandvik Intellectual Property AB
- Turbocharger turbine assembly3 Oct 2024US 2024/0326162 A1Garrett Transportation I Inc.
- Tube and a method of manufacturing a tube15 Jun 2023US 2023/0182187 A1Sandvik Intellectual Property AB
- Double-wall spiral welded pipe and manufacturing method thereof24 Nov 2022US 2022/0373109 A1Nanjing Lianzhong Engineering Technology Co., Ltd
- Heat transfer equipment10 Nov 2022US 2022/0357113 A1
- Tube and a method of manufacturing a tube27 Oct 2022US 2022/0339688 A1Sandvik Intellectual Property AB
Most cited
By later US patents
- Fixture and method for making spiral wound hose42US 4,714,508 AAlopex Industries, Inc. · 1987
- Methods for forming vias in glass substrates19US 9,296,646 B2Corning Incorporated · 2016
- Method and laser cladding of plasticating barrels17US 6,486,432 B1Spirex Corporation · 2002
- Method for producing heat exchanger tubes13US 4,841,617 AR. & G. Schmole Metallwerke GmbH & Co. KG · 1989
- Device for and method of establishing joints by means of laser beams12US 4,912,297 AFraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. · 1990