Length-adjustable adapter device for connecting a system part of a plastics processing system to a pipeline
US-10156311-B2 · Dec 18, 2018 · US
Gear pumps
Gear pumps · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B29C48/37 |
| Official title | Gear pumps |
| Display label | Gear pumps |
| Total patents | 160 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 15 |
| 2017 | 16 |
| 2018 | 18 |
| 2019 | 16 |
| 2020 | 22 |
| 2021 | 11 |
| 2022 | 13 |
| 2023 | 15 |
| 2024 | 9 |
| 2025 | 7 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bead apex rubber-forming method, and bead apex rubber-forming device
US-2018311920-A1 · Nov 1, 2018 · US
Polyolefin Pipe
US-2018258255-A1 · Sep 13, 2018 · US
Pump Feeder and Method of Mixing Edible Material
US-2018242630-A1 · Aug 30, 2018 · US
Method for producing ready-to-use soft PVC films or profiles
US-10059814-B2 · Aug 28, 2018 · US
System and method for polymer extrusion
US-10046501-B2 · Aug 14, 2018 · US
Method for forming cylindrical rubber member
US-10005206-B2 · Jun 26, 2018 · US
Bead apex rubber-forming method, and bead apex rubber-forming device
US-9944035-B2 · Apr 17, 2018 · US
Manufacturing apparatus of rubber member and manufacturing method of rubber member
US-9919466-B2 · Mar 20, 2018 · US
Forming different plastic products from a single melt
US-9908276-B2 · Mar 6, 2018 · US
Rubber strip manufacturing device and manufacturing method
US-9902097-B2 · Feb 27, 2018 · US
Gear pump extruding machine
US-2018050479-A1 · Feb 22, 2018 · US
Methods for gel reduction in polyolefins
US-2018001533-A1 · Jan 4, 2018 · US
Methods for controlling polymer chain scission
US-2018001537-A1 · Jan 4, 2018 · US
System for processing of low viscosity polymers
US-2017368716-A1 · Dec 28, 2017 · US
Process for producing tyres
US-2017361555-A1 · Dec 21, 2017 · US
Process for the production of water and solvent-free polymers
US-9834618-B2 · Dec 5, 2017 · US
Preparation of siloxane-containing block copolycarbonates by means of reactive extrusion
US-9828462-B2 · Nov 28, 2017 · US
Device and method for forming sheet-like rubber
US-2017320282-A1 · Nov 9, 2017 · US
Devices, Systems, and Processes for Processing Polymers
US-2017305058-A1 · Oct 26, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C48/37?
- CPC B29C48/37 is the Cooperative Patent Classification code for “Gear pumps.”
- How many patents are filed under CPC B29C48/37 (Gear pumps)?
- Our database includes 160 publications tagged with this CPC code.
- Is patent activity under CPC B29C48/37 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).