A47L 23/22
Devices or implements resting on the floor for removing mud, dirt, or
Official title: Devices or implements resting on the floor for removing mud, dirt, or dust from footwear (built-in gratings, e.g. foot-scrapers, E04F19/10)
A47L23/22 (Devices or implements resting on the floor for removing mud, dirt, or) appears on 426 US grants and 403 published applications in this corpus.
Search patents in A47L- Granted patents
- 426
- Published applications
- 403
- Assignees
- 165
- Inventors
- 703
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 21 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 4 |
| 2002 | 16 | 33 |
| 2003 | 21 | 17 |
| 2004 | 13 | 32 |
| 2005 | 13 | 17 |
| 2006 | 9 | 16 |
| 2007 | 8 | 18 |
| 2008 | 4 | 8 |
| 2009 | 5 | 16 |
| 2010 | 9 | 9 |
| 2011 | 2 | 11 |
| 2012 | 10 | 9 |
| 2013 | 10 | 5 |
| 2014 | 5 | 18 |
| 2015 | 9 | 11 |
| 2016 | 8 | 11 |
| 2017 | 10 | 21 |
| 2018 | 12 | 17 |
| 2019 | 10 | 22 |
| 2020 | 23 | 20 |
| 2021 | 12 | 20 |
| 2022 | 7 | 19 |
| 2023 | 10 | 15 |
| 2024 | 12 | 14 |
| 2025 | 10 | 9 |
| 2026 | 8 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Doormat alerting device1 Sep 2026US 12,721,498 B2
- Field-tailored prefabricated dust suction mat25 Aug 2026US 12,714,285 B2Testonic Co., Ltd.
- Shoe disinfecting device14 Jul 2026US 12,678,019 B2DG Technologies LLC
- Shoe cleaning device14 Jul 2026US 12,678,020 B1
- Systems and methods for cleaning dirty articles in vehicles30 Jun 2026US 12,668,188 B2
- Walk-off carpet8 Oct 2026US 2026/0305911 A1Aladdin Manufacturing Corporation
- Entrance mat system16 Jul 2026US 2026/0198754 A1Intrasystems Holdings Ltd
- Shoe Cleaner System and Method of Use9 Jul 2026US 2026/0191397 A1
- Absorption devices, materials, and methods18 Jun 2026US 2026/0166518 A1Celgard, LLC
- Washable Multi-Component Magnetic Floor Mat11 Jun 2026US 2026/0160016 A1Mountville Mills, Inc.
Most cited
By later US patents
- Flocked three-dimensional network mat834US 4,293,604 AMinnesota Mining and Manufacturing Company · 1981
- Disposable absorbent mat structure for removal and retention of wet and dry soil229US 4,614,679 AThe Procter & Gamble Company · 1986
- Grating or mat element134US 4,807,412 AJYDSK Fjederfabrik A/S · 1989
- Absorbent floor mat110US 4,609,580 AKimberly-Clark Corporation · 1986
- Slip-resistant floor covering system104US 5,815,995 ADiversified Industrial Technologies, Inc. · 1998