E04G 21/02
Conveying or working-up concrete or similar masses able to be heaped or
Official title: Conveying or working-up concrete or similar masses able to be heaped or cast (in connection with finishing work E04F; construction and surfacing of floorings made of similar material to roads or pavements E01C; in connection with barrages E02B7/00; in connection with foundations E02D15/00; composition of concrete C04B; working concrete in general, e.g. mixing machines B28C)
E04G21/02 (Conveying or working-up concrete or similar masses able to be heaped or) appears on 924 US grants and 909 published applications in this corpus.
Search patents in E04G- Granted patents
- 924
- Published applications
- 909
- Assignees
- 381
- Inventors
- 1,572
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 10 | 0 |
| 1979 | 9 | 0 |
| 1980 | 9 | 0 |
| 1981 | 13 | 0 |
| 1982 | 13 | 0 |
| 1983 | 9 | 0 |
| 1984 | 12 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 15 | 0 |
| 1988 | 11 | 0 |
| 1989 | 8 | 0 |
| 1990 | 10 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 13 | 0 |
| 1994 | 10 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 14 | 0 |
| 1998 | 15 | 0 |
| 1999 | 9 | 0 |
| 2000 | 16 | 0 |
| 2001 | 15 | 2 |
| 2002 | 17 | 11 |
| 2003 | 11 | 12 |
| 2004 | 22 | 29 |
| 2005 | 20 | 16 |
| 2006 | 17 | 22 |
| 2007 | 8 | 21 |
| 2008 | 7 | 25 |
| 2009 | 9 | 23 |
| 2010 | 23 | 24 |
| 2011 | 15 | 14 |
| 2012 | 15 | 16 |
| 2013 | 12 | 22 |
| 2014 | 14 | 29 |
| 2015 | 27 | 36 |
| 2016 | 27 | 36 |
| 2017 | 34 | 45 |
| 2018 | 31 | 37 |
| 2019 | 36 | 40 |
| 2020 | 29 | 60 |
| 2021 | 38 | 59 |
| 2022 | 35 | 91 |
| 2023 | 33 | 57 |
| 2024 | 70 | 105 |
| 2025 | 50 | 42 |
| 2026 | 44 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stability monitoring function for a thick matter conveying system6 Oct 2026US 12,753,616 B2Putzmeister Engineering GmbH
- 3-dimensional printed structure and a system and method for the 3-dimensional printing of structures29 Sep 2026US 12,747,574 B2Azure Printed Homes, Inc
- Rebar, device and construction method for 3D-printing a concrete interlayer structure1 Sep 2026US 12,722,324 B2
- Container with interchangeable liner1 Sep 2026US 12,723,413 B2
- Passenger motor vehicle configured to perform additive manufacturing operations1 Sep 2026US 12,723,418 B2Ford Global Technologies, LLC
- Method and Construction Machine8 Oct 2026US 2026/0307953 A1Putzmeister Engineering GmbH
- Modular infrastructure for constructing housing units24 Sep 2026US 2026/0286727 A1Teravila Inc.
- Electric drive device for the electric operation of a truck-mounted concrete pump, truck-mounted concrete pump and system for operating a truck-mounted concrete pump24 Sep 2026US 2026/0286730 A1
- Thick matter delivery system10 Sep 2026US 2026/0266070 A1Putzmeister Engineering GmbH
- Construction Machine3 Sep 2026US 2026/0257547 A1Putzmeister Engineering GmbH
Most cited
By later US patents
- Robotic systems for automated construction141US 7,641,461 B2University of Southern California · 2010
- Methods and apparatus for computer-assisted spray foam fabrication129US 9,566,742 B2Massachusetts Institute of Technology · 2017
- Methods and apparatus for computer-assisted spray foam fabrication120US 10,189,187 B2Massachusetts Institute of Technology · 2019
- Methods and apparatus for actuated fabricator115US 9,764,378 B2Massachusetts Institute of Technology · 2017
- Articulated boom monitoring system102US 6,202,013 B1Schwing America, Inc. · 2001