Margaret C. Liu

Person

Mercer Island, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Object collecting heads for object collecting systems
- Patent number 11,745,963
- Issue date Sep 5, 2023
- Kan Cui
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Multiple maneuvering systems for various applications
- Patent number 11,414,128
- Issue date Aug 16, 2022
- Kan Cui
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Parallel maneuvering system
- Patent number 11,130,519
- Issue date Sep 28, 2021
- Kan Cui
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Rotation-actuated drum brake
- Patent number 11,015,664
- Issue date May 25, 2021
- Kan Cui
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Mobile work station with versatile tool handler arm
- Patent number 10,800,030
- Issue date Oct 13, 2020
- Kan Cui
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Scissor-lift
- Patent number 10,730,729
- Issue date Aug 4, 2020
- Kan Cui
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Multiple small-pitch helical drives in linear and rotary actuators
- Patent number 10,731,740
- Issue date Aug 4, 2020
- Kan Cui
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Linear-to-rotary actuator
- Patent number 10,711,870
- Issue date Jul 14, 2020
- Kan Cui
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Elevating lift with a stabilized movable base
- Patent number 10,329,132
- Issue date Jun 25, 2019
- Kan Cui
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Portable collapsible container
- Patent number 10,308,423
- Issue date Jun 4, 2019
- Kan Cui
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Radially engaging coupling system
- Patent number 10,041,572
- Issue date Aug 7, 2018
- Kan Cui
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Elevating lift with a stabilized movable base
- Patent number 10,005,652
- Issue date Jun 26, 2018
- Kan Cui
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Simultaneous manuvering system for vehicles
- Patent number 9,789,902
- Issue date Oct 17, 2017
- Kan Cui
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Elevating lift
- Patent number 9,701,525
- Issue date Jul 11, 2017
- Kan Cui
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Torque converter
- Patent number 9,394,926
- Issue date Jul 19, 2016
- Kan Cui
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Linear-to-rotary actuator
- Patent number 9,303,741
- Issue date Apr 5, 2016
- Kan Cui
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Simultaneous actuating mechanism for parallel axis rotors
- Patent number 9,228,649
- Issue date Jan 5, 2016
- Kan Cui
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Radially engaging system
- Patent number 9,103,419
- Issue date Aug 11, 2015
- Kan Cui
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Radially engaging system
- Patent number 9,068,634
- Issue date Jun 30, 2015
- Kan Cui
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Linear-to-rotary actuator
- Patent number 9,027,423
- Issue date May 12, 2015
- Kan Cui
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
ELEVATING LIFT WITH A STABILIZED MOVABLE BASE
- Publication number 20190127193
- Publication date May 2, 2019
- Kan CUI
- B60 - VEHICLES IN GENERAL
Information Patent Application
SIMULTANEOUS ACTUATING MECHANISM FOR PARALLEL AXIS ROTORS
- Publication number 20170088170
- Publication date Mar 30, 2017
- KAN CUI
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
RADIALLY ENGAGING COUPLING SYSTEM
- Publication number 20170016519
- Publication date Jan 19, 2017
- KAN CUI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
SIMULTANEOUS ACTUATING MECHANISM FOR PARALLEL AXIS ROTORS
- Publication number 20160257340
- Publication date Sep 8, 2016
- KAN CUI
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
LINEAR-TO-ROTARY ACTUATOR
- Publication number 20150159740
- Publication date Jun 11, 2015
- KAN CUI
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
RADIALLY RECIPROCATING LOCK
- Publication number 20140083217
- Publication date Mar 27, 2014
- MARGARET C. LIU
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Margaret C. Liu

Person

Patents Grantslast 30 patents

Object collecting heads for object collecting systems

Multiple maneuvering systems for various applications

Parallel maneuvering system

Rotation-actuated drum brake

Mobile work station with versatile tool handler arm

Scissor-lift

Multiple small-pitch helical drives in linear and rotary actuators

Linear-to-rotary actuator

Elevating lift with a stabilized movable base

Portable collapsible container

Radially engaging coupling system

Elevating lift with a stabilized movable base

Simultaneous manuvering system for vehicles

Elevating lift

Torque converter

Linear-to-rotary actuator

Simultaneous actuating mechanism for parallel axis rotors

Radially engaging system

Radially engaging system

Linear-to-rotary actuator

Patents Applicationslast 30 patents

ELEVATING LIFT WITH A STABILIZED MOVABLE BASE

SIMULTANEOUS ACTUATING MECHANISM FOR PARALLEL AXIS ROTORS

RADIALLY ENGAGING COUPLING SYSTEM

SIMULTANEOUS ACTUATING MECHANISM FOR PARALLEL AXIS ROTORS

LINEAR-TO-ROTARY ACTUATOR

RADIALLY RECIPROCATING LOCK