E04C 1/40
Built-up from parts of different materials
Official title: built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
E04C1/40 (Built-up from parts of different materials) appears on 361 US grants and 288 published applications in this corpus.
Search patents in E04C- Granted patents
- 361
- Published applications
- 288
- Assignees
- 186
- Inventors
- 579
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 10 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 12 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 9 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 14 | 0 |
| 1998 | 14 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 2 |
| 2002 | 3 | 2 |
| 2003 | 2 | 3 |
| 2004 | 4 | 5 |
| 2005 | 3 | 7 |
| 2006 | 1 | 7 |
| 2007 | 0 | 3 |
| 2008 | 2 | 14 |
| 2009 | 2 | 9 |
| 2010 | 6 | 10 |
| 2011 | 4 | 7 |
| 2012 | 6 | 9 |
| 2013 | 8 | 20 |
| 2014 | 10 | 16 |
| 2015 | 12 | 15 |
| 2016 | 11 | 17 |
| 2017 | 16 | 14 |
| 2018 | 9 | 18 |
| 2019 | 13 | 17 |
| 2020 | 11 | 17 |
| 2021 | 12 | 16 |
| 2022 | 11 | 11 |
| 2023 | 8 | 18 |
| 2024 | 9 | 12 |
| 2025 | 9 | 12 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Masonry system29 Sep 2026US 12,747,583 B2Associacao Blc3—Campus De Tecnologia E Inovacao
- System and process for converting waste plastic into a usable product22 Sep 2026US 12,742,052 B2
- Method for manufacturing a 3D printed construction element1 Sep 2026US 12,723,408 B2United Arab Emirates University
- Methods of producing construction elements, construction elements produced thereby, and structures produced therefrom2 Jun 2026US 12,643,832 B2Purdue Research Foundation
- Light transmitting building blocks26 May 2026US 12,637,859 B2Bowling Green State University
- Light Transmitting Building Blocks24 Sep 2026US 2026/0286695 A1Bowling Green State University
- Construction element for buildings, in particular houses17 Sep 2026US 2026/0275717 A1Valeurs Alpines
- A construction block6 Aug 2026US 2026/0226738 A1Brilliant Ideas Ltd
- Locking blocks and methods of using same14 May 2026US 2026/0132618 A1Moxietec, LLC
- Masonry blocks having a plurality of facing materials and masonry block manufacturing14 May 2026US 2026/0132624 A1
Most cited
By later US patents
- Interlocking brick or building block and walls constructed therefrom134US 3,936,987 A1976
- Architectural material using metal oxide exhibiting photocatalytic activity112US 5,595,813 ATakenaka Corporation · 1997
- Self-supporting concrete form module90US 5,809,728 AInnovative Construction Technologies, LLC · 1998
- Composite module with reinforced shell81US 4,229,497 AMaso-Therm Corporation · 1980
- Insulated masonry block79US 4,016,693 AWarren Insulated Bloc, Inc. · 1977