B26D 3/163
Cutting tubes from the inside
Official title: {Cutting tubes from the inside}
B26D3/163 (Cutting tubes from the inside) appears on 37 US grants and 31 published applications in this corpus.
Search patents in B26D- Granted patents
- 37
- Published applications
- 31
- Assignees
- 24
- Inventors
- 55
- Latest grant
- 3 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 4 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 3 |
| 2022 | 2 | 1 |
| 2023 | 4 | 2 |
| 2024 | 2 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for installing geothermal heat exchanger3 Jun 2025US 12,320,554 B2Geosource Energy Inc.
- Cutting device22 Oct 2024US 12,122,063 B2Frelk Industries Pty. Ltd.
- Tray covering element9 Apr 2024US 11,950,719 B2
- Internal pile cutter5 Dec 2023US 11,833,596 B2
- Method and apparatus for installing geothermal heat exchanger3 Oct 2023US 11,774,145 B2Geosource Energy Inc.
- Untethered internal grooving method and apparatus using magnetic field12 Mar 2026US 2026/0070250 A1
- Method and apparatus for installing geothermal heat exchanger28 Aug 2025US 2025/0271178 A1Geosource Energy Inc.
- Cutting device29 Feb 2024US 2024/0066741 A1Frelk Industries Pty. Ltd.
- Pipe cutting accessory for power tool1 Feb 2024US 2024/0033963 A1Black & Decker Inc.
- Method and apparatus for installing geothermal heat exchanger30 Nov 2023US 2023/0383999 A1Geosource Energy Inc.
Most cited
By later US patents
- Method for installing a length of substantially rigid thermoplastic pipe in an existing conduit59US 5,397,513 ANuPipe, Inc. · 1995
- Method of manufacturing a pipe liner for installation in an existing conduit49US 5,587,126 ANuPipe, Inc. · 1996
- Method for installing a substantially rigid thermoplastic pipe in an existing pipeline38US 5,034,180 ANuPipe, Inc. · 1991
- Method of installing a new pipe inside an existing conduit by progressive rounding27US 5,368,809 ANuPipe, Inc. · 1994
- Cutting system, device, and method for splitting pipes25US 7,172,370 B2TRACTO-TECHNIK GmbH & Co. KG · 2007