E04B 1/68
Of joints
Official title: of joints, e.g. expansion joints (packing for joints in roads or airfields E01C11/02; expansion joints for bridges E01D19/06; sealing joints between foundation piles E02D5/14; joints in foundation structures E02D29/16; devices for sealing the spaces or joints between roof-covering elements E04D1/36; sealing joints between roof-covering elements E04D3/38; {construction of joints for flooring or floor layers composed of a number of similar elements E04F15/02005}; construction of joints for flooring or floor layers made of masses in situ E04F15/14)
E04B1/68 (Of joints) appears on 810 US grants and 707 published applications in this corpus.
Search patents in E04B- Granted patents
- 810
- Published applications
- 707
- Assignees
- 348
- Inventors
- 1,051
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 13 | 0 |
| 1989 | 17 | 0 |
| 1990 | 14 | 0 |
| 1991 | 13 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 15 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 11 | 2 |
| 2002 | 10 | 13 |
| 2003 | 7 | 7 |
| 2004 | 8 | 10 |
| 2005 | 4 | 10 |
| 2006 | 3 | 8 |
| 2007 | 2 | 9 |
| 2008 | 2 | 19 |
| 2009 | 2 | 7 |
| 2010 | 8 | 17 |
| 2011 | 9 | 20 |
| 2012 | 13 | 14 |
| 2013 | 12 | 23 |
| 2014 | 22 | 27 |
| 2015 | 26 | 31 |
| 2016 | 25 | 52 |
| 2017 | 45 | 48 |
| 2018 | 57 | 63 |
| 2019 | 65 | 63 |
| 2020 | 58 | 51 |
| 2021 | 41 | 39 |
| 2022 | 29 | 41 |
| 2023 | 33 | 61 |
| 2024 | 40 | 30 |
| 2025 | 47 | 24 |
| 2026 | 20 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E04B 1/6812Compressable seals of solid form231
- E04B 1/6803Joint covers211
- E04B 1/6801Fillings therefor163
- E04B 1/6815Expansion elements specially adapted for wall or ceiling parts85
- E04B 1/6807Expansion elements for parts cast in situ78
- E04B 1/6813Compressable seals of hollow form76
- E04B 1/681For free moving parts68
- E04B 2001/6818Joints with swellable partsIndexing code66
Recent patents
- Joint-sealing strip29 Sep 2026US 12,747,582 B2Hanno-Werk GmbH & Co. KG
- Free-expansion deformation seam structure applied to floor18 Aug 2026US 12,709,889 B2China Construction Science and Industry Corporation Ltd.
- Method and apparatus for connecting precast concrete elements11 Aug 2026US 12,703,972 B2Structural Connections IP Pty Ltd
- Premanufactured wall systems11 Aug 2026US 12,703,974 B2True Blue Products, LLC
- Sealing profile for edge joints, drywall, and method for fastening2 Jun 2026US 12,644,276 B2Hilti Aktiengesellschaft
- A method for producing a fully bonded waterbar8 Oct 2026US 2026/0307376 A1Sika Technology AG
- A multi-cavity sleeve element for sealing aqueous seams in concrete casting and a method therefor17 Sep 2026US 2026/0275711 A1
- Sealing profile for edge joints, drywall, and method for fastening27 Aug 2026US 2026/0250943 A1Hilti Aktiengesellschaft
- Joint edge insert30 Jul 2026US 2026/0218510 A1Illinois Tool Works Inc.
- Joint sealing device with flat spring23 Jul 2026US 2026/0210109 A1Schul International Company, LLC
Most cited
By later US patents
- Resilient groove369US 7,584,583 B2Välinge Innovation AB · 2009
- Sealing system232US 4,067,155 AGrefco, Inc. · 1978
- Floorboards having a resilent surface layer with a decorative groove220US 7,930,862 B2Välinge Innovation AB · 2011
- Water cutoff junction member for concrete products to be joined together198US 6,052,960 AYamax Corporation · 2000
- Method and apparatus for sealing a joint gap between two independently movable structural substrates173US 7,240,905 B1Specified Technologies Inc. · 2007