| Patent | Date |
|---|
Retrofitting an elevator machine with primary and secondary braking
Grant 11,377,323 - Davis, III , et al. July 5, 2 | 2022-07-05 |
Elevator car frame assembly
Grant 11,332,344 - Ericson , et al. May 17, 2 | 2022-05-17 |
Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine
Grant 11,299,374 - Davis, III , et al. April 12, 2 | 2022-04-12 |
Elevator System Including A Motorized Module
App 20220033224 - BHASKAR; Kiron ; et al. | 2022-02-03 |
Elevator seismic performance apparatus
Grant 11,214,464 - Ericson , et al. January 4, 2 | 2022-01-04 |
Climbing Elevator With Load-based Traction Force
App 20210221647 - WONG; Sam Thieu ; et al. | 2021-07-22 |
Modular transfer station
Grant 10,981,752 - Witczak , et al. April 20, 2 | 2021-04-20 |
Deflector sheave bracket for offset bedplate
Grant 10,941,020 - St. Pierre , et al. March 9, 2 | 2021-03-09 |
Elevator cab suspension assembly for a double deck elevator
Grant 10,899,580 - Schmidt , et al. January 26, 2 | 2021-01-26 |
Method And Kit For Retrofitting Elevator Machines With Thrust Bearing, And Retrofitted Elevator Machine
App 20200270100 - Davis, III; Daniel B. ; et al. | 2020-08-27 |
Transfer station for a ropeless elevator system with redundancy of subcomponents and parking zone
Grant 10,752,466 - Jedryczka , et al. A | 2020-08-25 |
Elevator car guidance mechanism
Grant 10,745,247 - Witczak , et al. A | 2020-08-18 |
Method and kit for retrofitting elevator machines with thrust bearing, and retrofitted elevator machine
Grant 10,737,908 - Davis, III , et al. A | 2020-08-11 |
Retrofitting An Elevator Machine With Primary And Secondary Braking
App 20200207580 - Davis, III; Daniel B. ; et al. | 2020-07-02 |
Counterweight for elevator system
Grant 10,625,984 - St. Pierre , et al. | 2020-04-21 |
Retrofitting an elevator machine with primary and secondary braking
Grant 10,618,775 - Davis, III , et al. | 2020-04-14 |
Guiding devices for elevator systems having roller guides and motion sensors
Grant 10,494,228 - Swaybill , et al. De | 2019-12-03 |
Alignment system for an elevator car
Grant 10,486,940 - Witczak , et al. Nov | 2019-11-26 |
Elevator Seismic Performance Apparatus
App 20190352126 - Ericson; Richard J. ; et al. | 2019-11-21 |
Elevator Car Frame Assembly
App 20190352132 - Ericson; Richard J. ; et al. | 2019-11-21 |
Electromagnetic brake system for elevator application
Grant 10,442,659 - Lotfi , et al. Oc | 2019-10-15 |
Detection and control system for elevator operations
Grant 10,407,275 - Khalil , et al. Sept | 2019-09-10 |
Deflector Sheave Bracket For Offset Bedplate
App 20190233253 - St. Pierre; Bruce ; et al. | 2019-08-01 |
Elevator Cab Suspension Assembly For A Double Deck Elevator
App 20190218067 - SCHMIDT; Walter Thomas ; et al. | 2019-07-18 |
H Frame For A Double Deck Elevator
App 20190218066 - SCHMIDT; Walter Thomas ; et al. | 2019-07-18 |
H frame for a double deck elevator
Grant 10,329,122 - Schmidt , et al. | 2019-06-25 |
Health Monitoring Systems And Methods For Elevator Systems
App 20190002235 - Roberts; Randy ; et al. | 2019-01-03 |
Sensing Elevator Car Guiding Devices For Elevator Systems
App 20180244495 - Swaybill; Bruce P. ; et al. | 2018-08-30 |
Device And Method For Controlling Elevator Car Movement Into A Transfer Space Associated With Multiple Vertical Pathways
App 20180170714 - Witczak; Tadeusz Pawel ; et al. | 2018-06-21 |
Retrofitting An Elevator Machine With Primary And Secondary Braking
App 20180141781 - Davis, III; Daniel B. ; et al. | 2018-05-24 |
Method And Kit For Retrofitting Elevator Machines With Thrust Bearing, And Retrofitted Elevator Machine
App 20180141783 - Davis, III; Daniel B. ; et al. | 2018-05-24 |
Modular Transfer Station
App 20180127242 - Witczak; Tadeusz Pawel ; et al. | 2018-05-10 |
Bedplate for elevator system
Grant 9,919,900 - St. Pierre , et al. March 20, 2 | 2018-03-20 |
Transfer Station For A Ropeless Elevator System With Redundancy Of Subcomponents And Parking Zone
App 20180009636 - Jedryczka; Cezary ; et al. | 2018-01-11 |
Gap Protective Device
App 20170355570 - Witczak; Tadeusz Pawel ; et al. | 2017-12-14 |
Detection and Control System for Elevator Operations
App 20170355558 - Khalil; Yehia F ; et al. | 2017-12-14 |
Counterweight For Elevator System
App 20170283221 - ST. PIERRE; Bruce ; et al. | 2017-10-05 |
Alignment System For An Elevator Car
App 20170057784 - Witczak; Tadeusz Pawel ; et al. | 2017-03-02 |
Elevator Car Guidance Mechanism
App 20170057786 - Witczak; Tadeusz Pawel ; et al. | 2017-03-02 |
Electromagnetic Brake System For Elevator Application
App 20160376123 - Lotfi; Amir ; et al. | 2016-12-29 |
Bedplate For Elevator System
App 20160362279 - St. Pierre; Bruce ; et al. | 2016-12-15 |
Hoisting System With Increased Available Traction
App 20160304320 - Ericson; Richard J. ; et al. | 2016-10-20 |
Integrated support for elevator machine, sheaves and terminations
Grant 8,302,740 - Swaybill , et al. November 6, 2 | 2012-11-06 |
Method and device for transporting an elevator car drive machine
App 20090097952 - Swaybill; Bruce P. ; et al. | 2009-04-16 |
Elevator structure mounting system having horizontal member for reducing building loads at top of hoistway
Grant 7,150,342 - Adifon , et al. December 19, 2 | 2006-12-19 |
Integrated support for elevator machine, sheaves and terminations
App 20060042882 - Swaybill; Bruce P. ; et al. | 2006-03-02 |
Method and apparatus for adjusting steering angle for elevator sheave
Grant 6,805,222 - St. Pierre , et al. October 19, 2 | 2004-10-19 |
Method and apparatus for adjusting steering angle for elevator sheave
App 20030201140 - Pierre, Bruce St. ; et al. | 2003-10-30 |
Method and apparatus for adjusting steering angle for elevator sheave
Grant 6,591,944 - St. Pierre , et al. July 15, 2 | 2003-07-15 |
Elevator system having governor positioned under controller in hoistway at top floor level
Grant 6,478,117 - Swaybill November 12, 2 | 2002-11-12 |
Elevator structure mounting system having horizontal compression member for reducing building loads at top of hoistway
App 20020148688 - Adifon, Leandre ; et al. | 2002-10-17 |
Elevator machine support frame mounted to hoistway wall
Grant 6,446,762 - St. Pierre , et al. September 10, 2 | 2002-09-10 |
Method and apparatus for adjusting steering angle for elevator sheave
App 20020074191 - Pierre, Bruce St. ; et al. | 2002-06-20 |
High performance linear induction motor door operator
Grant 5,862,887 - Swaybill , et al. January 26, 1 | 1999-01-26 |
Pretensioning system for synchronization and positioning system
Grant 5,819,878 - Barrett , et al. October 13, 1 | 1998-10-13 |
Convertible hybrid touch button switch
Grant 5,308,943 - Screven , et al. May 3, 1 | 1994-05-03 |
Illuminated touch button switch
Grant 5,288,957 - Swaybill February 22, 1 | 1994-02-22 |
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