Inventor
CHEN SHIFENG
US139 patents
⚠️ This page may combine multiple inventors who share the name “CHEN SHIFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRATT CORRUGATED HOLDINGS INC
29 patentsUS11618608B2Apr 4, 2023
Perforated collapsible box
PRATT CORRUGATED HOLDINGS INC34 citations98
USD968950SNov 8, 2022
Perforated collapsible box
PRATT CORRUGATED HOLDINGS INC61 citations98
US11472596B2Oct 18, 2022
One- and two-pack beverage box
PRATT CORRUGATED HOLDINGS INC31 citations98
US11230404B2Jan 25, 2022
Perforated collapsible box
PRATT CORRUGATED HOLDINGS INC66 citations98
US11059652B2Jul 13, 2021
Liner
PRATT CORRUGATED HOLDINGS INC69 citations98
USD874268SFeb 4, 2020
Mechanically secured box
PRATT CORRUGATED HOLDINGS INC42 citations98
USD1031434SJun 18, 2024
Six-cell beverage box
PRATT CORRUGATED HOLDINGS INC12 citations95
US11993431B2May 28, 2024
One- and two-pack beverage box
PRATT CORRUGATED HOLDINGS INC12 citations95
USD1026667SMay 14, 2024
One-cell beverage box
PRATT CORRUGATED HOLDINGS INC16 citations95
US11975897B2May 7, 2024
Beverage box
PRATT CORRUGATED HOLDINGS INC12 citations95
US11912475B2Feb 27, 2024
One- and two-pack beverage box
PRATT CORRUGATED HOLDINGS INC15 citations95
USD1007300SDec 12, 2023
Two-cell beverage box
PRATT CORRUGATED HOLDINGS INC26 citations95
USD1005134SNov 21, 2023
Six-cell beverage box with top flaps
PRATT CORRUGATED HOLDINGS INC17 citations95
USD1005135SNov 21, 2023
Three-cell beverage box
PRATT CORRUGATED HOLDINGS INC17 citations95
USD1002389SOct 24, 2023
Six-cell beverage box
PRATT CORRUGATED HOLDINGS INC17 citations95
US11780635B2Oct 10, 2023
Perforated collapsible box
PRATT CORRUGATED HOLDINGS INC20 citations95
US11780642B2Oct 10, 2023
Three-pack beverage box
PRATT CORRUGATED HOLDINGS INC18 citations95
US11780636B2Oct 10, 2023
Perforated collapsible box
PRATT CORRUGATED HOLDINGS INC20 citations95
USD997740SSep 5, 2023
Three-cell beverage box
PRATT CORRUGATED HOLDINGS INC30 citations95
USD997741SSep 5, 2023
Six-cell beverage box
PRATT CORRUGATED HOLDINGS INC27 citations95
USD997739SSep 5, 2023
Six-cell beverage box with top flaps
PRATT CORRUGATED HOLDINGS INC26 citations95
US11713180B2Aug 1, 2023
Liner
PRATT CORRUGATED HOLDINGS INC24 citations95
US11655064B2May 23, 2023
Beverage box
PRATT CORRUGATED HOLDINGS INC27 citations95
US11623783B2Apr 11, 2023
Perforated collapsible box
PRATT CORRUGATED HOLDINGS INC28 citations95
US11505364B2Nov 22, 2022
Three-pack beverage box
PRATT CORRUGATED HOLDINGS INC34 citations95
US11447287B2Sep 20, 2022
Beverage box
PRATT CORRUGATED HOLDINGS INC27 citations95
USD941677SJan 25, 2022
Lawn refuse bag
PRATT CORRUGATED HOLDINGS INC23 citations95
USD1032358SJun 25, 2024
Dual use box
PRATT CORRUGATED HOLDINGS INC17 citations94
US11878857B2Jan 23, 2024
Wardrobe box assembly
PRATT CORRUGATED HOLDINGS INC15 citations94
PRATT RETAIL SPECIALTIES LLC
21 patentsUS10843840B2Nov 24, 2020
Insulated box assembly with overlapping panels
PRATT RETAIL SPECIALTIES LLC83 citations99
US11724851B2Aug 15, 2023
Insulated box assembly with overlapping panels
PRATT RETAIL SPECIALTIES LLC23 citations98
US11524832B2Dec 13, 2022
Insulated box assembly and temperature-regulating lid therefor
PRATT RETAIL SPECIALTIES LLC35 citations98
US11325772B2May 10, 2022
Box defining walls with insulation cavities
PRATT RETAIL SPECIALTIES LLC39 citations98
US11286099B2Mar 29, 2022
Box defining walls with insulation cavities
PRATT RETAIL SPECIALTIES LLC39 citations98
US11247806B2Feb 15, 2022
Telescoping insulated boxes
PRATT RETAIL SPECIALTIES LLC41 citations98
US11066228B2Jul 20, 2021
Insulated box assembly and temperature-regulating lid therefor
PRATT RETAIL SPECIALTIES LLC66 citations98
US11027875B2Jun 8, 2021
Telescoping insulated boxes
PRATT RETAIL SPECIALTIES LLC57 citations98
US10882684B2Jan 5, 2021
Box defining walls with insulation cavities
PRATT RETAIL SPECIALTIES LLC67 citations98
US10858141B2Dec 8, 2020
Insulated box assembly with overlapping panels
PRATT RETAIL SPECIALTIES LLC61 citations98
US10507968B2Dec 17, 2019
Modular box assembly
PRATT RETAIL SPECIALTIES LLC79 citations98
US11203458B2Dec 21, 2021
Insulated box assembly with overlapping panels
PRATT RETAIL SPECIALTIES LLC42 citations97
US10954058B2Mar 23, 2021
Modular box assembly
PRATT RETAIL SPECIALTIES LLC56 citations97
US12297016B2May 13, 2025
Insulated box assembly with overlapping panels
PRATT RETAIL SPECIALTIES LLC7 citations95
US12195266B2Jan 14, 2025
Insulated box assembly
PRATT RETAIL SPECIALTIES LLC13 citations95
US12179990B2Dec 31, 2024
Modular box assembly
PRATT RETAIL SPECIALTIES LLC12 citations95
US11919699B2Mar 5, 2024
Box defining walls with insulation cavities
PRATT RETAIL SPECIALTIES LLC17 citations95
US11697542B2Jul 11, 2023
Modular box assembly
PRATT RETAIL SPECIALTIES LLC24 citations95
US11679925B2Jun 20, 2023
Modular box assembly
PRATT RETAIL SPECIALTIES LLC24 citations95
US11999553B2Jun 4, 2024
Hinged wrap insulated container
PRATT RETAIL SPECIALTIES LLC16 citations94
US11975910B2May 7, 2024
Hinged wrap insulated container
PRATT RETAIL SPECIALTIES LLC17 citations94
Showing the top 50 of 139 patents by PatentIndex Score.