F25C 3/04
Processes or apparatus specially adapted for producing ice or snow for winter
Official title: for sledging or ski trails; Producing artificial snow
F25C3/04 (Processes or apparatus specially adapted for producing ice or snow for winter) appears on 270 US grants and 136 published applications in this corpus.
Search patents in F25C- Granted patents
- 270
- Published applications
- 136
- Assignees
- 133
- Inventors
- 348
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 7 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 13 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 13 | 0 |
| 2000 | 15 | 0 |
| 2001 | 8 | 2 |
| 2002 | 8 | 2 |
| 2003 | 6 | 5 |
| 2004 | 5 | 10 |
| 2005 | 3 | 5 |
| 2006 | 5 | 6 |
| 2007 | 5 | 5 |
| 2008 | 0 | 1 |
| 2009 | 3 | 5 |
| 2010 | 2 | 2 |
| 2011 | 1 | 5 |
| 2012 | 1 | 7 |
| 2013 | 3 | 6 |
| 2014 | 1 | 8 |
| 2015 | 5 | 3 |
| 2016 | 6 | 5 |
| 2017 | 8 | 10 |
| 2018 | 3 | 3 |
| 2019 | 4 | 4 |
| 2020 | 5 | 7 |
| 2021 | 5 | 5 |
| 2022 | 5 | 11 |
| 2023 | 3 | 3 |
| 2024 | 4 | 8 |
| 2025 | 8 | 4 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Snow environment test apparatus and snow environment test method14 Jul 2026US 12,680,943 B2Espec Corp.
- Remote, multi-functional snow-making apparatus16 Jun 2026US 12,656,041 B2
- Snow accretion test method and snow accretion test device12 May 2026US 12,625,059 B2Espec Corp.
- Snow environment test apparatus and snow environment test method5 May 2026US 12,618,598 B2Espec Corp.
- Drone snowmaking automation3 Mar 2026US 12,566,022 B2TOPGUN Snowmaking Inc.
- Snow environment test apparatus and snow environment test method8 Oct 2026US 2026/0309615 A1Espec Corp.
- Ice-like snow preparation vehicle, final assembly and calculation method of water amount injected into target position by ice-like snow preparation vehicle13 Aug 2026US 2026/0235343 A1Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences
- Artificial snowmaking machine11 Jun 2026US 2026/0160474 A1University Corporation for Atmospheric Research
- Snow generation system for bathroom systems28 May 2026US 2026/0146777 A1Kohler Co.
- Snow subdivision device and snowfall device2 Oct 2025US 2025/0305744 A1Espec Corp.
Most cited
By later US patents
- Artificial snow in an aggregate form of snow granules279US 5,556,671 AMiura Dolphins Co., Ltd. · 1996
- Snow maker73US 6,129,290 A2000
- Snow gun having optimized mixing of compressed air and water flows48US 5,090,619 APinnacle Innovations · 1992
- Snow-gun oscillation control apparatus46US 5,154,348 ARatnik Industries, Inc. · 1992
- Artificial snow in an aggregate form of snow granules46US 5,436,039 AMiura Dolphins Co., Ltd. · 1995