F04B 33/02
Pumps actuated by muscle power: with intermediate gearing
Official title: with intermediate gearing
F04B33/02 (Pumps actuated by muscle power: with intermediate gearing) appears on 6 US grants and 9 published applications in this corpus.
Search patents in F04B- Granted patents
- 6
- Published applications
- 9
- Assignees
- 4
- Inventors
- 11
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Inflator with upper cover showing pressure value24 Feb 2026US 12,560,155 B2Beto Engineering & Marketing Co., Ltd.
- Air-compressing device for a cycle25 Jul 2017US 9,714,647 B2Technofluid Engineering S.R.L.
- Floor pump capable of transmitting air pressure value via wireless transmission to mobile electronic device for indication1 Mar 2016US 9,273,680 B2
- Sprocket-driven air pump14 Oct 2014US 8,858,193 B2Dongguan Chengmao Mechanical and Electrical Co., Ltd.
- Nebuliser device for an inhaler apparatus and inhaler apparatus with such nebuliser device26 Jun 2007US 7,234,459 B2
- A multi-gear inflation and deflation device for a swimming pool23 Apr 2026US 2026/0110294 A1Intex Industries Xiamen Co. Ltd.
- Inflator with Upper Cover Showing Pressure Value10 Jul 2025US 2025/0223953 A1Beto Engineering & Marketing Co., Ltd.
- Momentum Pump Apparatus23 Sep 2021US 2021/0293237 A1
- Floor Pump Capable of Transmitting Air Pressure Value Via Wireless Transmission to Mobile Electronic Device for Indication23 Apr 2015US 2015/0110646 A1
- Air-compressing device for a cycle30 Oct 2014US 2014/0322031 A1Technofluid Engineering S.R.L.
Most cited
By later US patents