F16L 27/1004
Introduced in exhaust pipes for hot gases
Official title: {introduced in exhaust pipes for hot gases}
F16L27/1004 (Introduced in exhaust pipes for hot gases) appears on 73 US grants and 74 published applications in this corpus.
Search patents in F16L- Granted patents
- 73
- Published applications
- 74
- Assignees
- 59
- Inventors
- 183
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 1 | 3 |
| 2007 | 0 | 3 |
| 2008 | 2 | 2 |
| 2009 | 2 | 3 |
| 2010 | 4 | 3 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 2 | 7 |
| 2014 | 1 | 3 |
| 2015 | 5 | 5 |
| 2016 | 2 | 11 |
| 2017 | 2 | 2 |
| 2018 | 5 | 6 |
| 2019 | 2 | 4 |
| 2020 | 4 | 2 |
| 2021 | 2 | 4 |
| 2022 | 5 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 4 |
| 2025 | 4 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealing means, improved slip joint apparatus and/or methods of use thereof21 Apr 2026US 12,607,264 B2Teconnex Ltd
- Exhaust gas pipe, and engine4 Nov 2025US 12,460,570 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Hyperboloid (concave) bellows29 Apr 2025US 12,287,047 B2Hyspan Precision Products, Inc.
- Damper segment for pressurized gas pipe of aircraft engine7 Jan 2025US 12,188,364 B2Pratt & Whitney Canada Corp.
- Device for transferring exhaust gas between a front and rear carriage of a mobile working machine separated by an articulated pivot joint7 Jan 2025US 12,188,585 B2Liebherr-Hydraulikbagger GmbH
- Sealing means, improved slip joint apparatus and/or methods of use thereof16 May 2024US 2024/0159315 A1Teconnex Ltd
- Device for transferring exhaust gas between a front and rear carriage of a mobile working machine separated by an articulated pivot joint11 Apr 2024US 2024/0117907 A1Liebherr-Hydraulikbagger GmbH
- Exhaust gas pipe, and engine21 Mar 2024US 2024/0093628 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Damper segment for pressurized gas pipe of aircraft engine11 Jan 2024US 2024/0011415 A1Pratt & Whitney Canada Corp.
- Hyperboloid (concave) bellows27 Apr 2023US 2023/0129472 A1Hyspan Precision Products, Inc.
Most cited
By later US patents
- Flexible coupler apparatus66US 5,145,215 ASenior Engineering Investments AG · 1992
- Bellows type exhaust tube41US 4,315,558 AKatayama Kogyo Co., Ltd. · 1982
- Connecting member for exhaust pipe27US 5,660,419 ASung Jin Machinery Co., Ltd. · 1997
- Flexible tube26US 6,848,478 B2Calsonic Kansei Corporation · 2005
- Flexible connection arrangement for the two pipe portions particularly for motor vehicle exhausts25US 5,437,479 AFeodor Burgmann Dichtungswerke GmbH & Co. · 1995