GPAM compositions and methods
US-12553188-B2 · Feb 17, 2026 · US
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Lu Chen patents
Lu Chen is listed as an inventor on 79 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Lu Chen |
| Total patents | 79 |
| First publication | Mar 17, 2015 |
| Latest publication | Feb 17, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Innovative sram in-silicon monitor circuit and system implementation
US-2025251449-A1 · Aug 7, 2025 · US
High molecular weight gpam with anionic polysaccharide promoter
US-2025215649-A1 · Jul 3, 2025 · US
High molecular weight gpam with anionic polymeric promoter
US-2025137200-A1 · May 1, 2025 · US
Redacting restricted content in files
US-12277242-B2 · Apr 15, 2025 · US
Redacting restricted content in files
US-2024330492-A1 · Oct 3, 2024 · US
Paper strength improving additives, their manufacture and use in paper making
US-11802376-B2 · Oct 31, 2023 · US
Gpam compositions and methods
US-2023135892-A1 · May 4, 2023 · US
Compositions and methods for increased wet and dry strength
US-2023140638-A1 · May 4, 2023 · US
Restrictions on mobile device usage when driving a vehicle
US-11503150-B2 · Nov 15, 2022 · US
Recent patents
Latest publications not already listed above.
Softener composition
US-11492760-B2 · Nov 8, 2022 · US
Automatic display of appliance control interface
US-2022124883-A1 · Apr 21, 2022 · US
Cooking engagement system equipped with a recipe application for combining third party recipe content
US-11294950-B2 · Apr 5, 2022 · US
Appliance suite equipped with a synced sound system
US-11252490-B2 · Feb 15, 2022 · US
Strength additive system and method for manufacturing a web comprising cellulosic fibres
US-11242653-B2 · Feb 8, 2022 · US
Network speed detection
US-11088931-B2 · Aug 10, 2021 · US
Paper strength improving additives, their manufacture and use in paper making
US-2021222368-A1 · Jul 22, 2021 · US
Application authentication wrapper
US-10944736-B2 · Mar 9, 2021 · US
Appliance suite equipped with a synced sound system
US-2021058689-A1 · Feb 25, 2021 · US
Paper strength improving polymer composition and additive system, use thereof, and manufacture of paper products
US-10914038-B2 · Feb 9, 2021 · US
Network speed detection
US-2020259732-A1 · Aug 13, 2020 · US
Cooking engagement system equipped with a recipe application for combining third party recipe content
US-2020233897-A1 · Jul 23, 2020 · US
Softener composition
US-2020149223-A1 · May 14, 2020 · US
Network speed detection
US-10652124-B2 · May 12, 2020 · US
Absorbent materials, products including absorbent materials, compositions, and methods of making absorbent materials
US-10624986-B2 · Apr 21, 2020 · US
Strength additive system and method for manufacturing a web comprising cellulosic fibres
US-2020087859-A1 · Mar 19, 2020 · US
Softener composition
US-10570567-B2 · Feb 25, 2020 · US
Method for producing paper
US-10458068-B2 · Oct 29, 2019 · US
Method for producing paper
US-10435843-B2 · Oct 8, 2019 · US
Paper strength improving polymer composition and additive system, use thereof, and manufacture of paper products
US-2019249370-A1 · Aug 15, 2019 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Kemira Oyj | 41 |
| Airwatch Llc | 31 |
| Haier Us Appliance Solutions Inc | 5 |
| Lu Chen | 3 |
| Fujimoto James | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| D21H21/18 | 34 |
| D21H21/20 | 29 |
| D21H17/375 | 29 |
| D21H17/37 | 15 |
| D21H17/55 | 15 |