E04G 15/06
Forms or shutterings for making openings, cavities, slits, or channels: for cavities
Official title: for cavities or channels in walls of floors, e.g. for making chimneys
E04G15/06 (Forms or shutterings for making openings, cavities, slits, or channels: for cavities) appears on 266 US grants and 228 published applications in this corpus.
Search patents in E04G- Granted patents
- 266
- Published applications
- 228
- Assignees
- 138
- Inventors
- 446
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 6 | 1 |
| 2002 | 8 | 1 |
| 2003 | 7 | 10 |
| 2004 | 7 | 13 |
| 2005 | 1 | 13 |
| 2006 | 6 | 14 |
| 2007 | 3 | 15 |
| 2008 | 5 | 3 |
| 2009 | 5 | 7 |
| 2010 | 6 | 8 |
| 2011 | 4 | 8 |
| 2012 | 8 | 4 |
| 2013 | 4 | 7 |
| 2014 | 8 | 11 |
| 2015 | 6 | 10 |
| 2016 | 8 | 11 |
| 2017 | 7 | 9 |
| 2018 | 8 | 10 |
| 2019 | 7 | 9 |
| 2020 | 12 | 9 |
| 2021 | 12 | 19 |
| 2022 | 13 | 10 |
| 2023 | 7 | 6 |
| 2024 | 5 | 6 |
| 2025 | 11 | 8 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fire rated floor box installation assembly25 Aug 2026US 12,719,248 B2Hubbell Incorporated
- Cast-in-place through-penetration firestop device7 Jul 2026US 12,674,527 B2Hilti Aktiengesellschaft
- Roadway coverplate12 May 2026US 12,623,556 B2Mahle International GmbH
- Vent for a ventilated concrete floor structure and method of forming a ventilated concrete floor structure30 Dec 2025US 12,509,891 B2Kroeker Farms Limited
- Mounting member11 Nov 2025US 12,467,269 B2Fukuvi Chemical Industry Co., Ltd.
- Article for use in industrial facilities24 Sep 2026US 2026/0286728 A1Ross Corporation
- Cast-in-place through-penetration firestop device24 Sep 2026US 2026/0287090 A1Hilti Aktiengesellschaft
- Apparatus and Method for Spacing a Drainpipe20 Aug 2026US 2026/0243092 A1Easy Sleeve, LLC
- Method for assembling a formwork unit16 Jul 2026US 2026/0201713 A1Doka GmbH
- Method and apparatus for finished installation of electrical box outlet flush in a concrete wall12 Mar 2026US 2026/0074491 A1Bocci Design & Manufacturing, Inc.
Most cited
By later US patents
- Floor drain installation system67US 8,347,906 B1Sioux Chief Mfg. Co., Inc. · 2013
- Coupling66US 4,623,170 A1986
- Seal component for use in on-site poured concrete or plastic tank or box components of fluid distribution systems66US 5,711,536 ATuf-Tite, Inc. · 1998
- Concrete floor embedded coupling for plastic pipe62US 4,261,598 A1981
- Lift system for concrete slabs55US 4,017,115 AThe Burke Company · 1977