B23K 9/324
Devices for supplying or evacuating a shielding or a welding powder
Official title: {Devices for supplying or evacuating a shielding or a welding powder, e.g. a magnetic powder}
B23K9/324 (Devices for supplying or evacuating a shielding or a welding powder) appears on 66 US grants and 52 published applications in this corpus.
Search patents in B23K- Granted patents
- 66
- Published applications
- 52
- Assignees
- 37
- Inventors
- 149
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 8 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 3 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 0 | 4 |
| 2012 | 2 | 5 |
| 2013 | 2 | 2 |
| 2014 | 2 | 1 |
| 2015 | 4 | 3 |
| 2016 | 3 | 2 |
| 2017 | 0 | 6 |
| 2018 | 2 | 3 |
| 2019 | 1 | 3 |
| 2020 | 3 | 0 |
| 2021 | 1 | 4 |
| 2022 | 3 | 1 |
| 2023 | 3 | 0 |
| 2024 | 1 | 4 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Process for welding91US 7,170,032 B2Tri Tool Inc. · 2007
- Powder supply device for the formation of coatings by laser beam treatment56US 5,182,430 ASociete National d'Etude et de Construction de Moteurs d'Aviation "S.N.E.C.M.A." · 1993
- Welding powder feed device51US 4,354,087 ASalzgitter AG · 1982
- Fume extraction apparatus and assembly25US 6,663,698 B2Delaware Capital Formation, Inc. · 2003
- Feeder equalizer and homogenizer23US 4,723,060 A1988