E04D 1/24
Roofing elements with cavities
Official title: Roofing elements with cavities, e.g. hollow tiles (E04D1/28 takes precedence)
E04D1/24 (Roofing elements with cavities) appears on 27 US grants and 32 published applications in this corpus.
Search patents in E04D- Granted patents
- 27
- Published applications
- 32
- Assignees
- 19
- Inventors
- 65
- Latest grant
- 29 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 4 |
| 2015 | 2 | 2 |
| 2016 | 2 | 2 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 5 |
| 2020 | 3 | 3 |
| 2021 | 2 | 3 |
| 2022 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Roofing systems and methods29 Nov 2022US 11,512,472 B2
- Metallic roof material and roofing method using same1 Mar 2022US 11,261,603 B2Nippon Steel Nisshin Co., Ltd.
- Roofing panel for concealing a biocidal source31 Aug 2021US 11,105,097 B2Eraserspacer LLC
- Modular tile, a functionalized batten, a pipe and a method for producing a pipe9 Feb 2021US 10,917,031 B2Logic Swiss AG
- Roofing, cladding or siding module or apparatus29 Dec 2020US 10,879,842 B2Zinniatek Limited
- Roofing panel for concealing a biocidal source18 Nov 2021US 2021/0355684 A1Eraserspacer LLC
- Roofing panel for concealing a biocidal source24 Jun 2021US 2021/0189730 A1Roof Rescue LLC
- Roofing Systems and Methods18 Mar 2021US 2021/0079655 A1
- Metal wall material and wall construction method using same13 Aug 2020US 2020/0256064 A1Nippon Steel Nisshin Co., Ltd.
- Pre-Assembled Ventilated Shingle Set6 Aug 2020US 2020/0248459 A1
Most cited
By later US patents
- Simulated individual self-venting overlapping plastic shake101US 5,295,339 AManner Value Plastic, Inc. · 1994
- Photovoltaic cell module tile69US 6,360,497 B1Kaneka Corporation · 2002
- Solar energy collector device41US 4,946,512 AYoshida Kogyo K. K. · 1990
- Solar heating shingle roof structure27US 4,428,361 A1984
- Solar heating shingle roof structure23US 4,244,353 A1981