B23K 11/28
Portable welding equipment
B23K11/28 (Portable welding equipment) appears on 43 US grants and 33 published applications in this corpus.
Search patents in B23K- Granted patents
- 43
- Published applications
- 33
- Assignees
- 35
- Inventors
- 76
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 3 |
| 2019 | 1 | 1 |
| 2020 | 3 | 4 |
| 2021 | 2 | 4 |
| 2022 | 5 | 5 |
| 2023 | 1 | 4 |
| 2024 | 4 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrically weldable suture material, and apparatus and method for forming welded suture loops and other welded structures4 Feb 2025US 12,213,662 B2Intuitive Surgical Operations, Inc.
- Method for controlling a spot welding arrangement10 Dec 2024US 12,162,087 B2Car-O-Liner Group AB
- Methods and apparatus for multi-directional fan5 Mar 2024US 11,925,008 B2Illinois Tool Works Inc.
- Spot welding machine20 Feb 2024US 11,904,402 B2Car-O-Liner Group AB
- Battery-powered electronic resistance welding machine for sheet metal repair2 Jan 2024US 11,858,057 B2Telwin S.p.A.
- Zero Emission Railroad Tracks Welder17 Sep 2026US 2026/0273646 A1
- Orbital Welding Device with Electrode Ring Segment26 Mar 2026US 2026/0084231 A1Viega Technology GmbH & Co. KG
- Resistance welding machine27 Jul 2023US 2023/0234158 A1Prima Corporation
- Battery-powered electronic resistance welding machine for sheet metal repair4 May 2023US 2023/0132563 A1Telwin S.p.A.
- Light weight cordless stud welder16 Mar 2023US 2023/0084669 A1Nelson Stud Welding, Inc.
Most cited
By later US patents
- Spot gun for a welder machine14US 4,924,055 AShinano Pneumatic Industries, Inc. · 1990
- Force generating mechanism13US 5,431,089 ABTM Corporation · 1995
- Spot welder with electrode clamp11US 4,656,327 A1987
- Multipurpose spot welding gun with replaceable electrode holders9US 5,239,155 A1993
- Nut feeder for feeding nuts for resistance welding9US 6,254,332 B1Seki Kogyo Co., Ltd. · 2001