E01C 11/22
Gutters
Official title: Gutters; Kerbs (kerbs specially adapted for alerting road users E01F9/535){; Surface drainage of streets, roads or like traffic areas (for sports grounds E01C13/00)}
E01C11/22 (Gutters) appears on 489 US grants and 459 published applications in this corpus.
Search patents in E01C- Granted patents
- 489
- Published applications
- 459
- Assignees
- 267
- Inventors
- 801
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 8 | 0 |
| 1984 | 8 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 2 |
| 2002 | 9 | 6 |
| 2003 | 5 | 9 |
| 2004 | 7 | 7 |
| 2005 | 14 | 16 |
| 2006 | 9 | 14 |
| 2007 | 10 | 15 |
| 2008 | 9 | 16 |
| 2009 | 7 | 22 |
| 2010 | 13 | 11 |
| 2011 | 9 | 20 |
| 2012 | 12 | 17 |
| 2013 | 11 | 20 |
| 2014 | 22 | 22 |
| 2015 | 17 | 13 |
| 2016 | 16 | 17 |
| 2017 | 18 | 18 |
| 2018 | 19 | 30 |
| 2019 | 21 | 33 |
| 2020 | 24 | 21 |
| 2021 | 16 | 23 |
| 2022 | 10 | 21 |
| 2023 | 16 | 25 |
| 2024 | 14 | 25 |
| 2025 | 24 | 22 |
| 2026 | 10 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sports field and methods for forming and operating the same29 Sep 2026US 12,746,454 B2Dutchblue World B.V.
- Method for making a grated trench channel29 Sep 2026US 12,747,545 B2J K Williams Contracting Pty Ltd
- Electronic device and curb system having the same14 Jul 2026US 12,682,718 B2
- Trenches for delivering service supplies23 Jun 2026US 12,662,368 B2Fibrelite Composites Limited
- System for controlling animal pests19 May 2026US 12,628,814 B2
- Solar permeable pavers with drip irrigation and smart technology3 Sep 2026US 2026/0258611 A1Dragon Group Kft
- Decorative blocks having substantialy flat side secured to a substrate with flexible glue for easy installation of decorative curbs3 Sep 2026US 2026/0258612 A1Eco Finish, LLC
- A curb stone6 Aug 2026US 2026/0229868 A1
- Charging device integrated into a kerb, kerbstone or paving stone, for charging an energy store of an electrically driven vehicle21 May 2026US 2026/0138474 A1Pierburg GmbH
- Drainage apparatus with locking mechanism21 May 2026US 2026/0139466 A1Advanced Drainage Systems, Inc.
Most cited
By later US patents
- Mat module with ramp strip137US 4,468,910 A1984
- Chemical safety conduit or trench91US 4,940,359 AACO Polymer Products, Inc. · 1990
- Modular ramp84US 5,341,533 A1994
- Interlocking paving stone for closed and open drainage patterns83US 5,286,139 A1994
- Floor mat construction74US 4,478,901 ATeknor Apex Company · 1984