F22B 19/00
Water-tube boilers of combined horizontally-inclined type and vertical type, i.e. water-tube boilers
Official title: Water-tube boilers of combined horizontally-inclined type and vertical type, i.e. water-tube boilers of horizontally-inclined type having auxiliary water-tube sets in vertical or substantially-vertical arrangement
F22B19/00 (Water-tube boilers of combined horizontally-inclined type and vertical type, i.e. water-tube boilers) appears on 3 US grants and 5 published applications in this corpus.
Search patents in F22B- Granted patents
- 3
- Published applications
- 5
- Assignees
- 5
- Inventors
- 9
- Latest grant
- 29 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year.
Recent patents
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Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.