Pump drive system
US-11300112-B2 · Apr 12, 2022 · US
the means being pin-and-slot mechanisms
the means being pin-and-slot mechanisms · 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 | F04B9/047 |
| Official title | {the means being pin-and-slot mechanisms} |
| Display label | the means being pin-and-slot mechanisms |
| Total patents | 100 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 11 |
| 2017 | 10 |
| 2018 | 4 |
| 2019 | 11 |
| 2020 | 9 |
| 2021 | 11 |
| 2022 | 10 |
| 2023 | 11 |
| 2024 | 6 |
| 2025 | 10 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Downhole linear pump system
US-2021381349-A1 · Dec 9, 2021 · US
Rotational metering pump for insulin patch
US-11191892-B2 · Dec 7, 2021 · US
Pump drive system
US-2021301801-A1 · Sep 30, 2021 · US
Variable flow rate mechanical pump assembly
US-2021254615-A1 · Aug 19, 2021 · US
Liquid transport apparatus and dispenser using the same
US-2021131419-A1 · May 6, 2021 · US
Piston pump assembly for a hydraulic power vehicle braking system
US-2021122342-A1 · Apr 29, 2021 · US
Compressor for discharging a medium
US-10968906-B2 · Apr 6, 2021 · US
Rotational metering pump for insulin patch
US-10967121-B2 · Apr 6, 2021 · US
Piston pump assembly for a hydraulic power vehicle braking system
US-10941764-B2 · Mar 9, 2021 · US
Variable flow rate mechanical pump assembly
US-10932644-B2 · Mar 2, 2021 · US
Non-pulsation pump having stroke adjustment mechanism
US-10890166-B2 · Jan 12, 2021 · US
Oral cleaning device with variable fluid pressurization
US-2020383761-A1 · Dec 10, 2020 · US
Rotational metering pump for insulin patch
US-2020360601-A1 · Nov 19, 2020 · US
Vehicle cleaner unit and vehicle provided with vehicle cleaner unit
US-2020254980-A1 · Aug 13, 2020 · US
Rotational metering pump for insulin patch
US-2020222626-A1 · Jul 16, 2020 · US
Using Silicone O-Rings in Dual Action Irrigation Pump
US-2020208627-A1 · Jul 2, 2020 · US
Using Balloon as Damper for Port of a Reciprocating Pump
US-2020206401-A1 · Jul 2, 2020 · US
Rotational metering pump for insulin patch
US-10675404-B2 · Jun 9, 2020 · US
Drug delivery shuttle pump system and valve assembly
US-2020164143-A1 · May 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B9/047?
- CPC F04B9/047 is the Cooperative Patent Classification code for “the means being pin-and-slot mechanisms.”
- How many patents are filed under CPC F04B9/047 (the means being pin-and-slot mechanisms)?
- Our database includes 100 publications tagged with this CPC code.
- Is patent activity under CPC F04B9/047 growing?
- Publication counts under this code: 6 in 2024 vs 10 in 2025 (latest complete years).