F04B 53/1095
Valves linked to another valve of another pumping chamber
Official title: {Valves linked to another valve of another pumping chamber}
F04B53/1095 (Valves linked to another valve of another pumping chamber) appears on 8 US grants and 11 published applications in this corpus.
Search patents in F04B- Granted patents
- 8
- Published applications
- 11
- Assignees
- 9
- Inventors
- 18
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Bellows pump device17 Feb 2026US 12,553,429 B2Nippon Pillar Packing Co., Ltd.
- Pump having a valve mechanism stopping and permitting flow between a suction chamber and a discharge chamber25 Jun 2024US 12,018,675 B2Advics Co., Ltd.
- Pumping system and fluid delivery installation14 Nov 2023US 11,815,089 B2
- Jet pump for noncontact tonometry and associated devices, systems, and methods21 Feb 2023US 11,585,339 B2Twenty Twenty Therapeutics LLC
- Hydraulic device10 Aug 2021US 11,085,428 B2Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Bellows pump device11 Jun 2026US 2026/0160242 A1Nippon Pillar Packing Co., Ltd.
- Bellows pump device4 Jun 2026US 2026/0153079 A1Nippon Pillar Packing Co., Ltd.
- Method of producing compressed air via energy exchange with compressed natural gas5 Jun 2025US 2025/0180012 A1
- Bellows pump device8 Feb 2024US 2024/0044325 A1Nippon Pillar Packing Co., Ltd.
- Pumping system and fluid delivery installation21 Apr 2022US 2022/0120260 A1
Most cited
By later US patents