B23K 9/046
On surfaces of revolution
Official title: {on surfaces of revolution}
B23K9/046 (On surfaces of revolution) appears on 223 US grants and 173 published applications in this corpus.
Search patents in B23K- Granted patents
- 223
- Published applications
- 173
- Assignees
- 164
- Inventors
- 534
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 12 | 0 |
| 1990 | 9 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 4 |
| 2003 | 3 | 4 |
| 2004 | 4 | 4 |
| 2005 | 2 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 4 |
| 2008 | 2 | 7 |
| 2009 | 2 | 9 |
| 2010 | 4 | 1 |
| 2011 | 1 | 11 |
| 2012 | 1 | 9 |
| 2013 | 4 | 8 |
| 2014 | 5 | 6 |
| 2015 | 6 | 9 |
| 2016 | 6 | 8 |
| 2017 | 6 | 14 |
| 2018 | 6 | 11 |
| 2019 | 9 | 8 |
| 2020 | 11 | 13 |
| 2021 | 6 | 10 |
| 2022 | 8 | 4 |
| 2023 | 11 | 9 |
| 2024 | 9 | 11 |
| 2025 | 8 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing pipes having topographic inner structures2 Jun 2026US 12,644,654 B2Karlsruher Institut Fuer Technologie
- Work string tubing connection restoration7 Apr 2026US 12,594,616 B2Postle Industries, Inc.
- Method for producing a pipe fitting, in particular by weld overlay18 Nov 2025US 12,472,576 B2Linde Aktiengesellschaft
- Method for restoring oil and gas tubulars22 Jul 2025US 12,365,043 B2ATT Technology, Ltd.
- Am cylinder manufacturing method using sacrificial build tube3 Jun 2025US 12,318,839 B2Goodrich Corporation
- Work string tubing connection restoration24 Sep 2026US 2026/0284768 A1Postle Industries, Inc.
- Rocket propulsion systems and methods2 Jul 2026US 2026/0185710 A1Relativity Space, Inc.
- Hardbanding method and apparatus28 May 2026US 2026/0146506 A1Postle Industries, Inc.
- Additively Manufactured Combustion Chambers, Manifold Structures and Hybrid Additive Processes Related Thereto28 Aug 2025US 2025/0271141 A1Relativity Space, Inc.
- Work string tubing connection restoration31 Jul 2025US 2025/0242425 A1Postle Industries, Inc.
Most cited
By later US patents
- More creep resistant turbine rotor, and procedures for repair welding of low alloy ferrous turbine components81US 4,958,431 AWestinghouse Electric Corp. · 1990
- Method of production of workpieces by welding equipment56US 5,233,150 ASulzer Brothers Limited · 1993
- Hardfacing alloy, methods, and products53US 7,361,411 B2ATT Technology, Ltd. · 2008
- Hard surfacing for oil well tools48US 4,277,108 AReed Tool Company · 1981
- Process for reducing stress corrosion in a weld by applying an overlay weld42US 4,049,186 AGeneral Electric Company · 1977