B23K 11/314
Spot welding guns
Official title: {Spot welding guns, e.g. mounted on robots}
B23K11/314 (Spot welding guns) appears on 342 US grants and 295 published applications in this corpus.
Search patents in B23K- Granted patents
- 342
- Published applications
- 295
- Assignees
- 154
- Inventors
- 640
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 9 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 12 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 3 |
| 2002 | 7 | 4 |
| 2003 | 8 | 12 |
| 2004 | 7 | 15 |
| 2005 | 10 | 11 |
| 2006 | 10 | 8 |
| 2007 | 7 | 16 |
| 2008 | 2 | 8 |
| 2009 | 5 | 13 |
| 2010 | 6 | 8 |
| 2011 | 8 | 7 |
| 2012 | 7 | 9 |
| 2013 | 4 | 12 |
| 2014 | 10 | 13 |
| 2015 | 11 | 19 |
| 2016 | 8 | 19 |
| 2017 | 13 | 12 |
| 2018 | 12 | 17 |
| 2019 | 19 | 14 |
| 2020 | 16 | 18 |
| 2021 | 11 | 17 |
| 2022 | 14 | 8 |
| 2023 | 8 | 10 |
| 2024 | 9 | 13 |
| 2025 | 6 | 6 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Welding gun14 Jul 2026US 12,678,886 B2Honda Motor Co., Ltd.
- Automated marking systems and methods for replaceable automated machine component tracking2 Jun 2026US 12,643,173 B2Toyota Motor Engineering & Manufacturing North America, Inc.
- Low-voltage high-current light-weight spot welding machine6 Jan 2026US 12,515,274 B2Hefei Sanyu Electric Co., Ltd
- Welding apparatus30 Sep 2025US 12,427,598 B2Huys Industries Limited
- Resistance spot welding apparatus19 Aug 2025US 12,390,876 B2Futaba Industrial Co., Ltd.
- Spot welding gun17 Sep 2026US 2026/0273650 A1Subaru Corporation
- Gun arm and joining apparatus5 Mar 2026US 2026/0061512 A1DAIHEN Corporation
- Apparatus for a Welding Facility, Welding Facility and Method for Handling Disturbance Variables During Welding29 Jan 2026US 2026/0027659 A1Robert Bosch GmbH
- Flawless aluminum resistance welding system and method9 Oct 2025US 2025/0312863 A1Hyundai Motor Company
- Spot welding tip for short flange of car body panel and spot welding machine including the same25 Sep 2025US 2025/0296171 A1Dong-Eui University Industry-Academic Cooperation Foundation
Most cited
By later US patents
- Weld gun heat removal55US 6,573,470 B1DCT, Inc. · 2003
- Computer-integrated multi-gun welding system51US 5,493,093 A1996
- Resistance welding gun and apparatus38US 5,288,968 A1994
- Welding apparatus and transformer therefor34US 5,030,813 APulsair Anstalt · 1991
- Driving unit of a welding equipment33US 6,223,971 B1Obara Corporation · 2001