R&D and Process Know-how
Patents & Process Innovation
YUNDY's patent portfolio reflects ongoing work in foam material structures, process equipment, cutting and winding, grooving, polishing foam, inspection devices, and automotive foam processing. These patents are presented as part of YUNDY's R&D and process improvement background.
Innovation Focus Areas
A compact view of the technical areas reflected in the patent certificates.
Cutting, slitting, and winding equipment
Edge grinding and grooving processes
Polishing and cleaning foam products
Automotive and new-energy vehicle foam processing
Testing and inspection devices
Patent Certificates
Open each certificate image in a new tab for a readable full-size view.
Patent certificates are presented as part of YUNDY's R&D and process improvement background. They are not quality management system certifications.
Process Equipment
Sponge automatic slitting and winding machine
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2020 2 1706903.9
- Grant announcement date
- March 23, 2021
Process Equipment
Sponge round-edge grinding machine
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2020 2 1706968.3
- Grant announcement date
- March 23, 2021
Process Equipment
One-step molding die for sponge tubes
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2020 2 1706825.2
- Grant announcement date
- March 30, 2021
Polishing & Consumer Products
Polishing sponge disc
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2020 2 1706824.8
- Grant announcement date
- April 9, 2021
Process Equipment
Sponge grooving equipment
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2021 2 1082620.6
- Grant announcement date
- November 26, 2021
Polishing & Consumer Products
Comfort lumbar support pillow
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2021 2 1082616.X
- Grant announcement date
- November 30, 2021
Polishing & Consumer Products
Sponge polishing pad
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2021 2 1104865.4
- Grant announcement date
- November 30, 2021
Foam Materials & Structures
Electronic composite foam
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2021 2 1082595.1
- Grant announcement date
- December 14, 2021
Process Equipment
High-efficiency fixture for graphite fire-resistant foam production
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2022 2 1018977.2
- Grant announcement date
- August 16, 2022
Foam Materials & Structures
Plant-based eco-friendly hydrophilic foam
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2022 2 0884402.2
- Grant announcement date
- August 16, 2022
Process Equipment
Processing fixture for anti-deformation, flame-retardant foam with sound-dampening function
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2022 2 0885050.2
- Grant announcement date
- August 16, 2022
Foam Materials & Structures
Superhydrophobic melamine foam
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2022 2 0765958.X
- Grant announcement date
- August 16, 2022
Foam Materials & Structures
High-density shock-resistant and wear-resistant foam
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2022 2 0765959.4
- Grant announcement date
- August 16, 2022
Automotive Foam Processing
Cutting device for automotive polyurethane foam
- Patent type
- Invention Patent
- Patent No.
- ZL 2022 1 0598526.X
- Grant announcement date
- May 14, 2024
Process Equipment
Sponge processing winding device
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2025 2 0151572.3
- Grant announcement date
- February 10, 2026
Automotive Foam Processing
Forming and cutting machine for new-energy vehicle foam
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2025 2 0195057.5
- Grant announcement date
- February 24, 2026
Testing & Inspection
Foam density testing device
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2025 2 0300168.8
- Grant announcement date
- November 28, 2025
Testing & Inspection
Foam tensile strength testing device
- Patent type
- Utility Model Patent
- Patent No.
- ZL 2025 2 0677445.7
- Grant announcement date
- May 29, 2026
Discuss a foam material or process requirement
For custom foam materials, converted foam components, process requirements, or sample development, contact YUNDY with drawings, application details, target dimensions, and performance requirements.