B23K 9/048
On cylindrical surfaces
Official title: {on cylindrical surfaces}
B23K9/048 (On cylindrical surfaces) appears on 151 US grants and 128 published applications in this corpus.
Search patents in B23K- Granted patents
- 151
- Published applications
- 128
- Assignees
- 115
- Inventors
- 357
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 3 |
| 2003 | 3 | 3 |
| 2004 | 4 | 3 |
| 2005 | 2 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 4 |
| 2009 | 1 | 7 |
| 2010 | 3 | 1 |
| 2011 | 1 | 10 |
| 2012 | 1 | 7 |
| 2013 | 3 | 6 |
| 2014 | 4 | 5 |
| 2015 | 5 | 8 |
| 2016 | 5 | 4 |
| 2017 | 4 | 11 |
| 2018 | 6 | 7 |
| 2019 | 6 | 6 |
| 2020 | 8 | 10 |
| 2021 | 6 | 9 |
| 2022 | 5 | 2 |
| 2023 | 11 | 8 |
| 2024 | 5 | 6 |
| 2025 | 4 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Work string tubing connection restoration13 May 2025US 12,296,412 B2Postle Industries, Inc.
- Work string tubing connection restoration24 Sep 2026US 2026/0284768 A1Postle Industries, Inc.
- Hardbanding method and apparatus28 May 2026US 2026/0146506 A1Postle Industries, Inc.
- Work string tubing connection restoration31 Jul 2025US 2025/0242425 A1Postle Industries, Inc.
- Pipe section, pipe assembly, method for manufacturing a pipe section and pipe arrangment, and use of a pipe assembly15 May 2025US 2025/0155070 A1SMS group GmbH
- Method for Restoring Oil and Gas Tubulars1 Aug 2024US 2024/0253143 A1ATT Technology, Ltd.
Most cited
By later US patents
- Process for reducing stress corrosion in a weld by applying an overlay weld42US 4,049,186 AGeneral Electric Company · 1977
- Bearing with improved wear resistance and method for making same40US 6,117,493 ANorthmonte Partners, L.P. · 2000
- Bearing surface with improved wear resistance and method for making same39US 6,582,126 B2Northmonte Partners, L.P. · 2003
- Bearing with improved wear resistance and method for making same38US 6,326,582 B12001
- Apparatus and method for thermal spray coating interior surfaces34US 5,468,295 AFlame-Spray Industries, Inc. · 1995