A47L 25/04
Domestic cleaning devices not provided for in other groups of this subclass
Official title: for door-knobs
A47L25/04 (Domestic cleaning devices not provided for in other groups of this subclass) appears on 10 US grants and 12 published applications in this corpus.
Search patents in A47L- Granted patents
- 10
- Published applications
- 12
- Assignees
- 3
- Inventors
- 8
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 4 |
| 2025 | 2 | 0 |
By publication year.
Recent patents
- System and apparatus for sanitizing a point of contact2 Dec 2025US 12,485,194 B2Germ Dome Industries LLC
- System and apparatus for sanitizing a door opening device or other point of contact13 May 2025US 12,296,061 B2
- System and apparatus for sanitizing a point of contact14 Nov 2023US 11,813,373 B2Germ Dome Industries LLC
- Cleaning system, cleaning devices, instruction insert, and methods therefor6 Dec 2022US 11,517,172 B2Medline Industries, Inc.
- System and apparatus for sanitizing a point of contact2 Aug 2022US 11,400,174 B2Germ Dome Industries LLC
- System and apparatus for sanitizing a door opening device or other point of contact5 Dec 2024US 2024/0399003 A1
- System and apparatus for sanitizing a door opening device or other point of contact28 Nov 2024US 2024/0390538 A1
- System and apparatus for sanitizing a point of contact9 May 2024US 2024/0148924 A1Germ Dome Industries LLC
- Ultra violet c self-sterlizing germicial light-emitting door handle/lever access device and alike for hand sanitation22 Feb 2024US 2024/0058497 A1
- System and apparatus for sanitizing a point of contact27 Jan 2022US 2022/0023470 A1Germ Dome Industries LLC
Most cited
By later US patents
- System and apparatus for sanitizing a door opening device or other point of contact7US 8,698,100 B22014
- Vacuum cleaner with a vacuum cleaner fan5US 8,607,402 B2Miele & Cie. KG · 2013
- System and apparatus for sanitizing a door opening device or other point of contact5US 9,833,525 B22017
- Liquid sanitizer dispenser system2US 8,926,204 B12015
- System and apparatus for sanitizing a point of contact1US 10,792,380 B22020