F16L 55/0333
By means of an active system
Official title: {by means of an active system}
F16L55/0333 (By means of an active system) appears on 41 US grants and 29 published applications in this corpus.
Search patents in F16L- Granted patents
- 41
- Published applications
- 29
- Assignees
- 45
- Inventors
- 118
- Latest grant
- 17 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 4 |
| 2015 | 2 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 5 |
| 2019 | 2 | 2 |
| 2020 | 2 | 0 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 3 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air supply duct for fan and combustion device including the same17 Sep 2024US 12,092,253 B2Noritz Corporation
- Centre system17 May 2022US 11,333,284 B2IHC Holland IE B.V.
- Vapor column liquid accumulator8 Jun 2021US 11,027,090 B2General Electric Company
- Hydraulic wave tuner23 Feb 2021US 10,927,526 B1Deere & Company
- Engine exhaust flow measurement with pulsation compensation3 Nov 2020US 10,823,593 B2Sensors, Inc.
- Lithographic apparatus thermal conditioning system and method16 Jul 2026US 2026/0202767 A1ASML Netherlands B. V.
- Compensation element, method and system for the active damping of a medium27 Mar 2025US 2025/0102096 A1Integrated Dynamics Engineering GmbH
- Device and method for actively reducing pressure variations in a hydrodynamic system14 Sep 2023US 2023/0288009 A1UniversitäT Rostock
- Vibration attenuation device and resonator20 Apr 2023US 2023/0123123 A1Qatar Foundation for Education, Science and Community Development
- Vibration damping and resonance reduction for ion pump13 Apr 2023US 2023/0114067 A1ASML Netherlands B. V.
Most cited
By later US patents
- Acoustic abatement method and apparatus119US 3,936,606 A1976
- Active control of sound waves59US 4,044,203 ANational Research Development Corporation · 1977
- Method and apparatus for low frequency active attenuation58US 4,527,282 ASound Attenuators Limited · 1985
- Flow noise suppression for electronic valves54US 4,873,836 AEaton Corporation · 1989
- Active noise control system for attenuating engine generated noise43US 5,222,148 AGeneral Motors Corporation · 1993