F04C 18/063
With coaxially-mounted members having continuously-changing circumferential spacing between them
Official title: with coaxially-mounted members having continuously-changing circumferential spacing between them
F04C18/063 (With coaxially-mounted members having continuously-changing circumferential spacing between them) appears on 14 US grants and 17 published applications in this corpus.
Search patents in F04C- Granted patents
- 14
- Published applications
- 17
- Assignees
- 12
- Inventors
- 48
- Latest grant
- 9 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 3 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 5 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 3 |
| 2023 | 3 | 0 |
| 2024 | 1 | 0 |
By publication year.
Subgroups
Granted patents
Recent patents
- Compressor and electronic device using the same9 Jul 2024US 12,031,540 B2Samsung Electronics Co., Ltd.
- Handheld high-pressure cleaning machine25 Jul 2023US 11,708,822 B2Positec Power Tools (Suzhou) Co., Ltd.
- Annular compression system and a method of operating the same25 Jul 2023US 11,708,840 B1University of Regina
- Pump unit and handheld high pressure washer25 Jul 2023US RE49,589 E1Positec Power Tools (Suzhou) Co., Ltd.
- Rotary vane internal combustion engine30 Aug 2022US 11,428,156 B2
- Center camshaft scroll pump27 Oct 2022US 2022/0341422 A1
- Rotary vane internal combustion engine20 Jan 2022US 2022/0018282 A1
- Rotary Piston Machine and Method for Producing a Seal in a Rotary Piston Machine6 Jan 2022US 2022/0003117 A1
- Compressor and electronic device using the same25 Nov 2021US 2021/0363994 A1Samsung Electronics Co., Ltd.
- Handheld high-pressure cleaning machine24 Jun 2021US 2021/0190048 A1Positec Power Tools (Suzhou) Co., Ltd.
Most cited
By later US patents
- Rotary compressor4US 10,550,843 B2Fujitsu General Limited · 2020
- Scroll type fluid machine with notches on a motor housing2US 9,279,423 B2Hitachi Industrial Equipment Systems Co., Ltd. · 2016
- Pump unit and handheld high pressure washer1US 10,968,899 B2Positec Power Tools (Suzhou) Co., Ltd. · 2021
- Scroll compressor having buffer member arranged between end of shaft and recess of eccentric bush1US 11,136,979 B2Hanon Systems · 2021
- Rotary vane internal combustion engine1US 11,428,156 B22022