A47L 21/00
Polishing of table-ware
Official title: Polishing of table-ware, e.g. knives, forks, spoons
A47L21/00 (Polishing of table-ware) appears on 34 US grants and 26 published applications in this corpus.
Search patents in A47L- Granted patents
- 34
- Published applications
- 26
- Assignees
- 15
- Inventors
- 48
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 3 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 2 | 3 |
| 2022 | 3 | 2 |
| 2023 | 0 | 3 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for dispensing solid and liquid materials25 Aug 2026US 12,715,083 B2
- Multi-function wipe container with integrated knife or straightedge cleaning lid24 Jun 2025US 12,338,040 B2
- Pizza cutter cleaning, storage, and isolation device27 Dec 2022US 11,534,013 B2
- Device for drying and polishing items such as glasses and cutlery22 Nov 2022US 11,503,979 B2MT Innovations Pty Ltd
- Blade cleaning and storage system4 Oct 2022US 11,458,510 B2
- Multi-function wipe container with integrated knife or straightedge cleaning lid4 Sep 2025US 2025/0276827 A1
- Multi-function wipe container with integrated knife or straightedge cleaning lid6 Feb 2025US 2025/0042603 A1
- Campfire cooking implement storage and cleaning apparatus20 Jul 2023US 2023/0225557 A1
- Systems and methods for dispensing fluid from a rupturable cell30 Mar 2023US 2023/0102001 A1
- Systems and methods for dispensing solid and liquid materials26 Jan 2023US 2023/0025768 A1
Most cited
By later US patents
- Machine for drying, polishing and burnishing cutlery and metal tableware40US 6,110,020 AHyppocampus S.r.l. · 2000
- Machine for drying, polishing and burnishing cutlery and metal tableware40US 6,814,654 B2Hyppocampus S.r.l. · 2004
- Fluid applicator with a press activated pouch40US 7,604,623 B2Kimberly-Clark Worldwide, Inc. · 2009
- Surgical knife cleaner28US 4,547,923 ADLP Limited · 1985
- Cutlery detector and alarm21US 4,742,339 A1988