E04B 1/3511
Lift-slab
Official title: {Lift-slab; characterised by a purely vertical lifting of floors or roofs or parts thereof}
E04B1/3511 (Lift-slab) appears on 76 US grants and 68 published applications in this corpus.
Search patents in E04B- Granted patents
- 76
- Published applications
- 68
- Assignees
- 36
- Inventors
- 109
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 5 |
| 2016 | 2 | 3 |
| 2017 | 2 | 6 |
| 2018 | 5 | 13 |
| 2019 | 6 | 6 |
| 2020 | 9 | 6 |
| 2021 | 5 | 3 |
| 2022 | 6 | 3 |
| 2023 | 5 | 3 |
| 2024 | 2 | 7 |
| 2025 | 3 | 0 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and apparatuses for constructing high-rise buildings25 Aug 2026US 12,716,230 B2Urban Redwood
- Building system and method thereof4 Aug 2026US 12,698,626 B2Bahler IP, LLC
- Building system and method thereof4 Aug 2026US 12,698,627 B2Bahler IP, LLC
- System and method for lifting prejoined deck components14 Jul 2026US 12,680,294 B2Klover SEPA, Inc.
- Hydraulic mechanism and method for lifting and lowering floor slabs21 Apr 2026US 12,607,005 B1ICITI GmbH
- Building System Including Waffle Pods28 May 2026US 2026/0146439 A1NXT International Pty. Ltd.
- Hydraulic mechanism and method for lifting and lowering floor slabs23 Apr 2026US 2026/0110172 A1ICITI GmbH
- Modular building platform and assembly method thereof8 Jan 2026US 2026/0009220 A1
- Building assembly system and associated method23 May 2024US 2024/0167291 A1Big Time Investment, LLC
- System and method for lifting prejoined deck components16 May 2024US 2024/0159042 A1Klover SEPA, Inc.
Most cited
By later US patents
- Concrete insert63US 8,966,833 B22015
- Sensing and control apparatus for lifting heavy construction elements39US 4,251,974 A1981
- Lifting and leveling assembly for precast concrete slabs and method38US 9,347,232 B12016
- Stackable support column system and method for multistory building construction32US 6,151,851 A2000
- Method and apparatus for lifting and supporting slabs31US 4,800,700 AAtlas System, Inc. · 1989