Shaft sealing device, rotating machine, and method for manufacturing shaft sealing device
US-10519791-B2 · Dec 31, 2019 · US
patterned · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F05D2250/28 |
| Official title | patterned |
| Display label | patterned |
| Total patents | 173 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 18 |
| 2017 | 10 |
| 2018 | 15 |
| 2019 | 16 |
| 2020 | 19 |
| 2021 | 13 |
| 2022 | 10 |
| 2023 | 23 |
| 2024 | 21 |
| 2025 | 18 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10519791-B2 · Dec 31, 2019 · US
US-10500811-B1 · Dec 10, 2019 · US
US-2019226423-A1 · Jul 25, 2019 · US
US-10329917-B2 · Jun 25, 2019 · US
US-10323533-B2 · Jun 18, 2019 · US
US-10208671-B2 · Feb 19, 2019 · US
US-2019030879-A1 · Jan 31, 2019 · US
US-2018347373-A1 · Dec 6, 2018 · US
US-2018347442-A1 · Dec 6, 2018 · US
US-10094287-B2 · Oct 9, 2018 · US
US-2018202296-A1 · Jul 19, 2018 · US
US-10018052-B2 · Jul 10, 2018 · US
US-2018174568-A1 · Jun 21, 2018 · US
US-9988917-B2 · Jun 5, 2018 · US
US-2018135635-A1 · May 17, 2018 · US
US-2018135441-A1 · May 17, 2018 · US
US-2018135443-A1 · May 17, 2018 · US
US-9970355-B2 · May 15, 2018 · US
US-9951954-B2 · Apr 24, 2018 · US
US-9920530-B2 · Mar 20, 2018 · US
Answers are generated from the same data shown on this page.