Inventor
CHEN LIHENG
US16 patents
⚠️ This page may combine multiple inventors who share the name “CHEN LIHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TURNING POINT PROPELLERS INC
9 patentsUS6685432B2Feb 3, 2004
Hub assembly for marine propeller
TURNING POINT PROPELLERS INC19 citations91
US6524069B2Feb 25, 2003
Propeller assembly incorporating improved locking structure
TURNING POINT PROPELLERS INC21 citations91
US6471481B2Oct 29, 2002
Hub assembly for marine propeller
TURNING POINT PROPELLERS INC25 citations91
US6358008B1Mar 19, 2002
Propeller assembly for a marine vehicle
TURNING POINT PROPELLERS INC21 citations91
US7717678B2May 18, 2010
Spindle with overmolded bushing
TURNING POINT PROPELLERS INC14 citations83
US6672834B2Jan 6, 2004
Removable propeller assembly incorporating breakaway elements
TURNING POINT PROPELLERS INC11 citations72
US7708526B2May 4, 2010
Propeller assembly incorporating spindle with fins and overmolded bushing
TURNING POINT PROPELLERS INC5 citations61
US10864974B2Dec 15, 2020
Propeller assembly with hub structure which reduces gear noise during operation
TURNING POINT PROPELLERS INC1 citations50
US11299246B1Apr 12, 2022
Propeller assembly with noise reducing hub arrangement
TURNING POINT PROPELLERS INC0 citations44
US AGRICULTURE
3 patentsUS10239905B2Mar 26, 2019
Low temperature and efficient fractionation of lignocellulosic biomass using recyclable organic solid acids
US AGRICULTURE6 citations71
US10006166B2Jun 26, 2018
Integrating the production of carboxylated cellulose nanofibrils and cellulose nanocrystals using recyclable organic acids
US AGRICULTURE2 citations66
US10494489B2Dec 3, 2019
Low temperature and efficient fractionation of lignocellulosic biomass using recyclable organic solid acids
US AGRICULTURE1 citations60