A47L 25/12
Devices or implements for cleaning lamp chimneys
A47L25/12 (Devices or implements for cleaning lamp chimneys) appears on 4 US grants and 4 published applications in this corpus.
Search patents in A47L- Granted patents
- 4
- Published applications
- 4
- Assignees
- 4
- Inventors
- 6
- Latest grant
- 19 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year.
Recent patents
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- Chimney cleaning apparatus and method17 Nov 2015US 9,186,026 B2King Fahd University of Petroleum and Minerals
- Cleaning Device with Flexible Head and Universal Handle Adapter23 Sep 2021US 2021/0290029 A1
- Barbeque chain brush7 Mar 2019US 2019/0069667 A1Archipelago Group LLC
- Crochet Bottle Brush and Handle and Method of Assembly30 Nov 2017US 2017/0340097 A1Open Arms Holding LLC
- Chimney cleaning apparatus and method12 Dec 2013US 2013/0327358 A1King Fahd Universtiy of Petroleum and Minerals
Most cited
By later US patents