E01C 13/08
Surfaces simulating grass
Official title: Surfaces simulating grass {; Grass-grown sports grounds (grass-like surfaces for skiing E01C13/12)}
E01C13/08 (Surfaces simulating grass) appears on 613 US grants and 850 published applications in this corpus.
Search patents in E01C- Granted patents
- 613
- Published applications
- 850
- Assignees
- 352
- Inventors
- 1,029
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 14 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 12 | 3 |
| 2002 | 10 | 8 |
| 2003 | 6 | 20 |
| 2004 | 16 | 19 |
| 2005 | 10 | 14 |
| 2006 | 10 | 26 |
| 2007 | 13 | 18 |
| 2008 | 5 | 26 |
| 2009 | 4 | 24 |
| 2010 | 11 | 32 |
| 2011 | 12 | 16 |
| 2012 | 18 | 30 |
| 2013 | 18 | 30 |
| 2014 | 9 | 26 |
| 2015 | 21 | 32 |
| 2016 | 24 | 20 |
| 2017 | 21 | 40 |
| 2018 | 21 | 34 |
| 2019 | 24 | 58 |
| 2020 | 40 | 65 |
| 2021 | 26 | 57 |
| 2022 | 23 | 35 |
| 2023 | 32 | 41 |
| 2024 | 36 | 70 |
| 2025 | 30 | 61 |
| 2026 | 26 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of making artificial turf6 Oct 2026US 12,752,526 B2Polytex Sportbelage Produktions-GmbH
- Sports field and methods for forming and operating the same29 Sep 2026US 12,746,454 B2Dutchblue World B.V.
- Laminated tufted good22 Sep 2026US 12,742,296 B2
- Artificial turf infill with thermally treated olive pit material22 Sep 2026US 12,742,297 B2Polytex Sportbelage Produktions-GmbH
- Method for the construction and sustainable management of a hybrid turf sports ground with water table and hybrid turf sports ground25 Aug 2026US 12,716,179 B2Natural Grass
- Artificial turf field1 Oct 2026US 2026/0297859 A1
- Artificial turf infill material1 Oct 2026US 2026/0297860 A1Upm-Kymmene Corporation
- Non-perforated artificial turf with porous backing and methods of manufacture thereof24 Sep 2026US 2026/0286624 A1Spinturf, LLC
- Artificial turf having alloy fibers and the method of manufacture thereof17 Sep 2026US 2026/0275656 A1ForeverLawn Inc.
- Artificial turf system and support layer17 Sep 2026US 2026/0275657 A1PES Field Systems, LLC
Most cited
By later US patents
- Low density composite proppant, filtration media, gravel packing media, and sports field media, and methods for making and using same271US 6,582,819 B2Borden Chemical, Inc. · 2003
- Synthetic turf seam system241US 4,489,115 ASuperTurf, Inc. · 1984
- Subsurface fluid drainage and storage systems112US 5,848,856 AInvisible Structures, Inc. · 1998
- Synthetic turf playing surface with resilient top-dressing104US 4,337,283 A1982
- Mat for stabilizing particulate materials99US 5,250,340 A1993