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
R&D and Process Know-how
Patents & Process Innovation
YUNDY continues to develop foam materials, processing technologies, production equipment, and testing solutions.
50+Granted Patents
Patent Certificates
Selected granted patent certificates are shown below.
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