F04C 18/3447
The vanes having the form of rollers, slippers or the like
Official title: {the vanes having the form of rollers, slippers or the like}
F04C18/3447 (The vanes having the form of rollers, slippers or the like) appears on 4 US grants and 6 published applications in this corpus.
Search patents in F04C- Granted patents
- 4
- Published applications
- 6
- Assignees
- 4
- Inventors
- 10
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
By publication year.
Recent patents
- Rotary radial vane compressor21 Oct 2025US 12,448,969 B2
- Hermetic compressor20 Sep 2022US 11,448,215 B2LG Electronics Inc.
- Rotary sliding vane machine with hydrostatic slide bearings for the vanes31 May 2022US 11,346,222 B2Tocircle Industries AS
- Hermetic compressor having a vane with guide portion5 Jan 2021US 10,883,502 B2LG Electronics Inc.
- Method for Operating a Vacuum Pump, as well as a Vacuum Pump Designed for this Purpose with Two Inlets and One Outlet, its Use and Vacuum Packaging Machines Equipped Therewith18 Dec 2025US 2025/0382961 A1
- Rotary radial vane compressor7 Aug 2025US 2025/0250980 A1
- Hermetic compressor1 Apr 2021US 2021/0095669 A1LG Electronic Inc.
- A rotary sliding vane machine with hydrostatic slide bearings for the vanes26 Nov 2020US 2020/0370552 A1Tocircle Industries AS
- Hermetic compressor9 Aug 2018US 2018/0223844 A1LG Electronics Inc.
Most cited
By later US patents