B23D 57/0084
Sawing machines or sawing devices not covered by one of the preceding
Official title: {specially adapted for sawing under water or at places accessible with difficulty}
B23D57/0084 (Sawing machines or sawing devices not covered by one of the preceding) appears on 82 US grants and 77 published applications in this corpus.
Search patents in B23D- Granted patents
- 82
- Published applications
- 77
- Assignees
- 41
- Inventors
- 139
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 2 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 2 | 7 |
| 2012 | 2 | 3 |
| 2013 | 2 | 4 |
| 2014 | 9 | 7 |
| 2015 | 7 | 7 |
| 2016 | 4 | 9 |
| 2017 | 7 | 3 |
| 2018 | 6 | 7 |
| 2019 | 6 | 3 |
| 2020 | 4 | 2 |
| 2021 | 4 | 4 |
| 2022 | 2 | 1 |
| 2023 | 2 | 2 |
| 2024 | 0 | 4 |
| 2025 | 1 | 2 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus for cutting curved wall of reactor structure26 May 2026US 12,636,719 B2Egun Co., Ltd.
- Cutting apparatus21 Apr 2026US 12,605,780 B2Decom Engineering Ltd
- Spin-saw machine3 Mar 2026US 12,564,891 B2SMO bvba
- Reciprocating wire saw device10 Feb 2026US 12,544,843 B2
- Method for cutting a shell-type object, a cutter system and a vessel equipped with the cutter system7 Oct 2025US 12,434,312 B2Advantis A/S
- Method for dismantling d2o tank of heavy water reactor and dismantling apparatus21 May 2026US 2026/0142049 A1Doosan Enerbility Co., Ltd.
- Portable saw attachment and methods for same12 Mar 2026US 2026/0070137 A1
- Underwater Cutting Device for Shipwreck Salvage19 Feb 2026US 2026/0048444 A1Zhejiang International Maritime College
- Apparatus for Servicing a Structure5 Jun 2025US 2025/0178704 A1RotoTech Pte Ltd.
- Apparatus For Reverse Cutting Process For Nuclear Power Plant Structure10 Apr 2025US 2025/0114974 A1Egun Co., Ltd.
Most cited
By later US patents
- Wire saw1,029US 8,833,219 B2Illinois Tool Works Inc. · 2014
- Pipeline cutting apparatus43US 6,267,037 B1Oceaneering International, Inc. · 2001
- Above and below water and land pile cutting apparatus and method39US 4,180,047 A1979
- Method and device for cutting underwater structures38US 5,361,748 A1994
- Articulated boom and head for manipulating objects under water36US 6,024,145 A2000