Protection of make-up system for high pressure bellows-style pump system
US-2024376888-A1 · Nov 14, 2024 · US
leakage control; pump systems with two flexible members; between the actuating element and the pumped fluid
leakage control; pump systems with two flexible members; between the actuating element and the pumped fluid · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04B43/009 |
| Official title | {leakage control; pump systems with two flexible members; between the actuating element and the pumped fluid} |
| Display label | leakage control; pump systems with two flexible members; between the actuating element and the pumped fluid |
| Total patents | 45 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bellows failure detection for a pump
US-2024376881-A1 · Nov 14, 2024 · US
Diaphragm and chemical flow control device
US-2024287977-A1 · Aug 29, 2024 · US
Tube pump system
US-12018670-B2 · Jun 25, 2024 · US
Diaphragm pump
US-2023383738-A1 · Nov 30, 2023 · US
Diaphragm pump
US-11767840-B2 · Sep 26, 2023 · US
Refrigerant compressor seal arrangements
US-11732701-B2 · Aug 22, 2023 · US
Rolling diaphragm pump
US-11668292-B2 · Jun 6, 2023 · US
Negative pressure wound therapy device using a vacuum generating pump providing audible therapy feedback
US-11554206-B2 · Jan 17, 2023 · US
Contact protection apparatus for a medical fluid-conducting cassette and cassette
US-11497839-B2 · Nov 15, 2022 · US
A Diaphragm Pump
US-2022275798-A1 · Sep 1, 2022 · US
Diaphragm pump
US-2022235757-A1 · Jul 28, 2022 · US
Rolling diaphragm pump
US-2022213882-A1 · Jul 7, 2022 · US
Tube pump system
US-2021372392-A1 · Dec 2, 2021 · US
Refrigerant compressor seal arrangements
US-2021372382-A1 · Dec 2, 2021 · US
Refrigerant compressor seal arrangements
US-11125216-B2 · Sep 21, 2021 · US
Refrigerant leak detection by use of fluid additive
US-11118822-B2 · Sep 14, 2021 · US
Negative pressure wound therapy device using a vacuum generating pump providing audible therapy feedback
US-2021038775-A1 · Feb 11, 2021 · US
Liquid detection device with wireless communicator
US-10890298-B2 · Jan 12, 2021 · US
Ink pumping
US-10723121-B2 · Jul 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B43/009?
- CPC F04B43/009 is the Cooperative Patent Classification code for “leakage control; pump systems with two flexible members; between the actuating element and the pumped fluid.”
- How many patents are filed under CPC F04B43/009 (leakage control; pump systems with two flexible members; between the actuating element and the pumped fluid)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC F04B43/009 growing?
- Publication counts under this code: 5 in 2023 vs 4 in 2024 (latest complete years).