F04B 2201/0804
Noise
F04B2201/0804 (Noise) appears on 15 US grants and 24 published applications in this corpus.
Search patents in F04B- Granted patents
- 15
- Published applications
- 24
- Assignees
- 17
- Inventors
- 59
- Latest grant
- 26 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 4 |
| 2019 | 0 | 3 |
| 2020 | 2 | 1 |
| 2021 | 4 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 3 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pump control system capable of detecting fault of pump26 Nov 2024US 12,152,592 B2Enssel Inc.
- Air conditioning compressor sound attenuation11 Jun 2024US 12,007,127 B2Rheem Manufacturing Company
- Apparatuses, systems, and methods for improved performance of a pressurized system4 Jul 2023US 11,692,533 B2Optimum Power Technology
- Compressor comprising an upper shell and a lower shell wherein the upper shell comprises an upper protrusion comprising a first protrusion and a second protrusion comprising a transition and an approximately flat shape25 Jan 2022US 11,231,024 B2Samsung Electronics Co., Ltd.
- Air conditioning compressor sound attenuation31 Aug 2021US 11,105,520 B2Rheem Manufacturing Company
- Method and system for controlling the vibration of a variable capacity compressor of a refrigeration system26 Mar 2026US 2026/0088742 A1Nidec Global Appliance Brasil Ltda.
- Control device, refrigeration system, control method, and control program29 Jan 2026US 2026/0029182 A1Daikin Industries, Ltd.
- Pump Having Monitoring Circuit9 Nov 2023US 2023/0358240 A1Brinkmann Pumpen K. H. Brinkmann GmbH & Co. KG
- Apparatuses, Systems, and Methods for Improved Performance of a Pressurized System14 Sep 2023US 2023/0287874 A1Optimum Power Technology
- Pump control system capable of detecting fault of pump10 Aug 2023US 2023/0250824 A1Enssel Inc.
Most cited
By later US patents
- Method for determining the closing point of a pump piston relative to a transverse bore in the pump cylinder3US 4,665,742 ARobert Bosch GmbH · 1987
- Hydraulic pump or motor3US 8,794,124 B2Komatsu Ltd. · 2014
- Liquid slugging detection and protection2US 10,627,146 B2Emerson Climate Technologies, Inc. · 2020
- Linear compressor2US 10,890,168 B2LG Electronics Inc. · 2021
- Sleeping system2US 9,677,557 B22017