E04D 13/103
De-icing devices or snow melters
Official title: {De-icing devices or snow melters (for drainage outlets E04D13/0409, for gutters E04D13/0762, for down pipes E04D13/08)}
E04D13/103 (De-icing devices or snow melters) appears on 155 US grants and 131 published applications in this corpus.
Search patents in E04D- Granted patents
- 155
- Published applications
- 131
- Assignees
- 55
- Inventors
- 224
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 12 | 0 |
| 2001 | 8 | 4 |
| 2002 | 4 | 3 |
| 2003 | 1 | 6 |
| 2004 | 5 | 10 |
| 2005 | 5 | 4 |
| 2006 | 7 | 6 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 8 |
| 2012 | 4 | 5 |
| 2013 | 2 | 3 |
| 2014 | 3 | 9 |
| 2015 | 7 | 4 |
| 2016 | 2 | 9 |
| 2017 | 2 | 3 |
| 2018 | 11 | 8 |
| 2019 | 6 | 8 |
| 2020 | 2 | 3 |
| 2021 | 7 | 2 |
| 2022 | 5 | 8 |
| 2023 | 2 | 7 |
| 2024 | 4 | 6 |
| 2025 | 7 | 5 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Repositionable cable clip system for use on standing seam metal roofs21 Apr 2026US 12,607,015 B2
- Cabling systems for rooftop photovoltaic solar systems16 Dec 2025US 12,500,547 B2Unirac, Inc.
- Efficient control of a heating element9 Dec 2025US 12,492,559 B2
- Heating system and method of making and use7 Oct 2025US 12,435,516 B2
- Fluid deposition system and method30 Sep 2025US 12,428,846 B2Floe, Inc.
- Cabling Systems for Rooftop Photovoltaic Solar Systems25 Jun 2026US 2026/0180504 A1Unirac, Inc.
- Efficient control of a heating element16 Apr 2026US 2026/0103892 A1
- Fluid deposition system and method22 Jan 2026US 2026/0022564 A1Floe, Inc.
- Roof Snow Melt Cap Plate and Valley Plate System15 Jan 2026US 2026/0015864 A1Wimmer Corporation
- Roof-Installed Heat Cable System11 Dec 2025US 2025/0376847 A1Wimmer Corporation
Most cited
By later US patents
- Mounting device for controlling uplift of a metal roof139US 5,715,640 A1998
- Mounting device for building structures129US 5,228,248 A1993
- Clamp for securing assemblies other than snow retention devices to a raised metal seam roof127US 6,164,033 A2000
- Mounting device for building surfaces124US 5,983,588 A1999
- Building assembly having standing seams with mounting devices disposed thereon120US 6,718,718 B22004