Fiber mat for battery plate reinforcement
US-9843048-B2 · Dec 12, 2017 · US
of lead
of lead · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/56 |
| Official title | of lead |
| Display label | of lead |
| Total patents | 157 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 25 |
| 2016 | 21 |
| 2017 | 24 |
| 2018 | 13 |
| 2019 | 17 |
| 2020 | 9 |
| 2021 | 7 |
| 2022 | 11 |
| 2023 | 12 |
| 2024 | 6 |
| 2025 | 7 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrode active material and lithium secondary battery comprising the same
US-9799882-B2 · Oct 24, 2017 · US
Methods for making lead-carbon couplings, lead-carbon electrode sheets and lead-carbon batteries
US-2017263912-A1 · Sep 14, 2017 · US
Lead-acid battery
US-2017263913-A1 · Sep 14, 2017 · US
Ionic gel electrolyte, energy storage devices, and methods of manufacture thereof
US-9742030-B2 · Aug 22, 2017 · US
Positive electrode plate for lead-acid battery, lead-acid battery and method of manufacturing positive electrode plate for lead-acid battery
US-2017222214-A1 · Aug 3, 2017 · US
Water loss reducing pasting mats for lead-acid batteries
US-2017194649-A1 · Jul 6, 2017 · US
Hydrometallurgical electrowinning of lead from spent lead-acid batteries
US-2017170531-A1 · Jun 15, 2017 · US
Antimony based anode material for rechargeable batteries and preparation method
US-2017155140-A1 · Jun 1, 2017 · US
Lead-acid accumulator and method for manufacturing such an accumulator
US-2017155171-A1 · Jun 1, 2017 · US
Reactive separator for a metal-ion battery
US-9634317-B2 · Apr 25, 2017 · US
Antimony based anode material for rechargeable batteries and preparation method
US-9634326-B2 · Apr 25, 2017 · US
Manufacturing method for amino-substituted phosphazene compound, manufacturing method for electrolyte solution for nonaqueous secondary battery, and manufacturing method for nonaqueous secondary battery
US-2017110762-A1 · Apr 20, 2017 · US
Composite electrode active material, electrode and lithium battery including the composite electrode active material, and method of preparing the composite electrode active material
US-2017092932-A1 · Mar 30, 2017 · US
Sodium iron(II)-hexacyanoferrate(II) battery electrode
US-9531003-B2 · Dec 27, 2016 · US
Ionic gel electrolyte, energy storage devices, and methods of manufacture thereof
US-2016344062-A1 · Nov 24, 2016 · US
Sodium Iron(II)-Hexacyanoferrate(II) Battery Electrode
US-2016336588-A1 · Nov 17, 2016 · US
Fiber mat for battery plate reinforcement
US-2016329568-A1 · Nov 10, 2016 · US
Oxidized carbon blacks and applications for lead acid batteries
US-2016322634-A1 · Nov 3, 2016 · US
Cyanometallate cathode battery and method for fabrication
US-9455431-B2 · Sep 27, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/56?
- CPC H01M4/56 is the Cooperative Patent Classification code for “of lead.”
- How many patents are filed under CPC H01M4/56 (of lead)?
- Our database includes 157 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/56 growing?
- Publication counts under this code: 6 in 2024 vs 7 in 2025 (latest complete years).