F04D 29/705
Adding liquids
Official title: {Adding liquids}
F04D29/705 (Adding liquids) appears on 186 US grants and 244 published applications in this corpus.
Search patents in F04D- Granted patents
- 186
- Published applications
- 244
- Assignees
- 137
- Inventors
- 443
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 6 | 2 |
| 2003 | 5 | 3 |
| 2004 | 3 | 2 |
| 2005 | 0 | 3 |
| 2006 | 5 | 6 |
| 2007 | 1 | 5 |
| 2008 | 3 | 10 |
| 2009 | 5 | 13 |
| 2010 | 7 | 7 |
| 2011 | 7 | 5 |
| 2012 | 6 | 10 |
| 2013 | 2 | 14 |
| 2014 | 8 | 13 |
| 2015 | 11 | 12 |
| 2016 | 9 | 11 |
| 2017 | 5 | 14 |
| 2018 | 8 | 20 |
| 2019 | 11 | 15 |
| 2020 | 17 | 13 |
| 2021 | 10 | 9 |
| 2022 | 6 | 16 |
| 2023 | 7 | 8 |
| 2024 | 14 | 7 |
| 2025 | 6 | 15 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fan washable with water14 Jul 2026US 12,680,553 B2Ningbo Singfun Electric Appliance Co., Ltd.
- Misting fan7 Jul 2026US 12,674,590 B2Home Depot Product Authority, LLC
- Spray device and fan19 May 2026US 12,629,711 B1Foshan Shunde Poyu Hardware Plastic Co., Ltd
- Humidifier with improved control and floor-standing fan21 Apr 2026US 12,607,375 B2Zhongshan Hongguan West Union Electric Technology Co., Ltd
- Fan for an automatic dispensing device10 Mar 2026US 12,571,398 B2Reckitt & Colman (Overseas) Hygiene Home Limited
- Evaporator for ambient water bodies, and related system and method8 Oct 2026US 2026/0306964 A1Resource West, Inc.
- Misting fan20 Aug 2026US 2026/0243453 A1
- Misting fan13 Aug 2026US 2026/0235309 A1Shenzhen Xiaohei Technology Electronics Co., Ltd.
- Turbine30 Jul 2026US 2026/0221474 A1Wuxi Cummins Turbo Technologies Company Ltd.
- Cleaning method for dry vacuum pump and cleaning device for dry vacuum pump23 Jul 2026US 2026/0210381 A1Kanken Techno Co., Ltd.
Most cited
By later US patents
- Portable, evaporative cooling unit having a self-contained water supply110US 6,789,787 B22004
- Isothermal compression79US 4,478,553 AMechanical Technology Incorporated · 1984
- Method of washing objects, such as turbine compressors56US 5,868,860 AGas Turbine Efficiency AB · 1999
- Combined water-wash and wet-compression system for a gas turbine compressor and related method52US 6,553,768 B1General Electric Company · 2003
- Manifold for use in cleaning combustion turbines49US 6,491,048 B1HydroChem Industrial Services, Inc. · 2002