E01C 19/50
Removable forms or shutterings for road-building purposes
Official title: Removable forms or shutterings for road-building purposes (E01C23/02, E01C23/04 take precedence; permanent forms E01C3/00 - E01C7/00, {E01C9/00 - E01C17/00} ; slip forms E01C19/48); Devices or arrangements for forming individual paving elements, e.g. kerbs, in situ
E01C19/50 (Removable forms or shutterings for road-building purposes) appears on 131 US grants and 114 published applications in this corpus.
Search patents in E01C- Granted patents
- 131
- Published applications
- 114
- Assignees
- 52
- Inventors
- 169
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 4 |
| 2004 | 3 | 4 |
| 2005 | 4 | 6 |
| 2006 | 0 | 5 |
| 2007 | 2 | 4 |
| 2008 | 3 | 9 |
| 2009 | 2 | 1 |
| 2010 | 3 | 2 |
| 2011 | 2 | 1 |
| 2012 | 3 | 6 |
| 2013 | 2 | 1 |
| 2014 | 4 | 4 |
| 2015 | 6 | 9 |
| 2016 | 5 | 7 |
| 2017 | 6 | 7 |
| 2018 | 6 | 4 |
| 2019 | 2 | 5 |
| 2020 | 2 | 7 |
| 2021 | 7 | 8 |
| 2022 | 2 | 4 |
| 2023 | 6 | 4 |
| 2024 | 3 | 3 |
| 2025 | 2 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adjustable concrete forms21 Apr 2026US 12,606,967 B2K & E Excavating, Inc.
- Edge slump control31 Mar 2026US 12,590,423 B2Wirtgen GmbH
- Ground-leveling form11 Nov 2025US 12,467,212 B1
- Adjustable concrete form17 Jun 2025US 12,330,334 B2Rwh Constructions Services Co.
- Leg assembly for construction machine24 Dec 2024US 12,173,456 B2GOMACO Corporation
- Concrete forms system and method of assembly10 Sep 2026US 2026/0266003 A1
- Adjustable concrete forms27 Nov 2025US 2025/0361685 A1K & E Excavating, Inc.
- Quick curb bracket27 Mar 2025US 2025/0101755 A1Tuf-N-Lite, LLC
- Leg assembly for construction machine27 Feb 2025US 2025/0067010 A1GOMACO Corporation
- Brace bracket for form wall20 Feb 2025US 2025/0059784 A1GluDown, Inc.
Most cited
By later US patents