B23K 9/323
Combined coupling means
Official title: {Combined coupling means, e.g. gas, electricity, water or the like}
B23K9/323 (Combined coupling means) appears on 210 US grants and 193 published applications in this corpus.
Search patents in B23K- Granted patents
- 210
- Published applications
- 193
- Assignees
- 74
- Inventors
- 346
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 6 | 5 |
| 2005 | 3 | 11 |
| 2006 | 2 | 7 |
| 2007 | 10 | 5 |
| 2008 | 8 | 6 |
| 2009 | 0 | 4 |
| 2010 | 4 | 11 |
| 2011 | 4 | 5 |
| 2012 | 2 | 5 |
| 2013 | 9 | 6 |
| 2014 | 4 | 10 |
| 2015 | 7 | 9 |
| 2016 | 4 | 9 |
| 2017 | 11 | 5 |
| 2018 | 5 | 14 |
| 2019 | 6 | 6 |
| 2020 | 10 | 10 |
| 2021 | 6 | 19 |
| 2022 | 10 | 7 |
| 2023 | 9 | 6 |
| 2024 | 13 | 11 |
| 2025 | 7 | 14 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated welding torches and extension cables10 Mar 2026US 12,569,926 B2Illinois Tool Works Inc.
- Modular quick disconnect system for welding and cutting systems and method of making24 Feb 2026US 12,558,736 B2American Torch Tip Company
- Rotating electrical connection with locking axial and radial positions for use in welding and cutting devices with a non-conductive coupling3 Feb 2026US 12,539,553 B2American Torch Tip Company
- Rotating power connector for welding torch cables9 Dec 2025US 12,491,575 B2Illinois Tool Works Inc.
- Heat-absorbing adapter for enhanced heat dissipation and durability11 Nov 2025US 12,465,997 B2
- Power pin and receiving socket12 Mar 2026US 2026/0074465 A1The ESAB Group, Inc.
- Spring-loaded docking systems for welding torch necks15 Jan 2026US 2026/0014638 A1Illinois Tool Works Inc.
- Stand-alone rotating power adapters4 Dec 2025US 2025/0367750 A1Illinois Tool Works Inc.
- Wire feeding systems with built-in rotating power connectors20 Nov 2025US 2025/0357713 A1Illinois Tool Works Inc.
- Coolant flow connections for cooling systems30 Oct 2025US 2025/0332666 A1Illinois Tool Works Inc.
Most cited
By later US patents
- Ergonomic welding gun with quick disconnect cable assembly92US 5,338,917 ATweco Products, Inc. · 1994
- Welding gun assembly86US 5,491,321 ATweco Products, Inc. · 1996
- Liquid-cooled welding torch assembly73US 6,078,023 A2000
- Tips and diffusers for MIG welding guns68US 5,440,100 ATweco Products, Inc. · 1995
- Plasma arc torch quick disconnect67US 6,713,711 B2Thermal Dynamics Corporation · 2004