A47L 23/24
Rigid cleaning-gratings
Official title: Rigid cleaning-gratings; Tread plates or scrapers for cleaning the soles of footwear (floor mats in general A47G27/02)
A47L23/24 (Rigid cleaning-gratings) appears on 57 US grants and 51 published applications in this corpus.
Search patents in A47L- Granted patents
- 57
- Published applications
- 51
- Assignees
- 36
- Inventors
- 90
- Latest grant
- 30 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 9 |
| 2003 | 3 | 0 |
| 2004 | 1 | 5 |
| 2005 | 2 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 4 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 2 | 5 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 2 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mobile robot30 Apr 2024US 11,969,125 B2LG Electronics Inc.
- Cleaner9 May 2023US 11,641,999 B2LG Electronics Inc.
- Grid device10 Aug 2021US 11,083,359 B2Ava of Norway AS
- Modular mat system9 Feb 2021US 10,912,443 B1R&L Marketing & Sales, Inc.
- Therapy platform anti-fatigue matting7 Jan 2020US 10,524,602 B2Johnson Technologies Corporation
- Roll-up modular doormat19 Mar 2026US 2026/0076499 A1Basmat Matting Systems, S.L.
- Storage system18 Sep 2025US 2025/0288114 A1Kindred Products LLC
- Shoe disinfecting device16 Jan 2025US 2025/0017444 A1
- Extruded, polymeric underlayment pads7 Nov 2024US 2024/0368845 A1Enplast Technology LLC
- Shoe bottom cleansing apparatus6 Jun 2024US 2024/0180392 A1Stomp Patent LLC
Most cited
By later US patents
- Grating or mat element134US 4,807,412 AJYDSK Fjederfabrik A/S · 1989
- Slip-resistant floor covering system104US 5,815,995 ADiversified Industrial Technologies, Inc. · 1998
- Surface covering94US 5,587,218 A1996
- Floor mat52US 6,451,400 B1Milliken Denmark A/S · 2002
- Tile for an entrance mat50US 4,497,858 A1985