| 9457992 | Stair lift | Dec 11, 12 | Oct 04, 16 | OTTO OOMS B.V. |
| 9376289 | Elevator control system with sleep monitor | Dec 28, 10 | Jun 28, 16 | OTIS ELEVATOR COMPANY |
| 9365391 | Elevator control device | May 18, 11 | Jun 14, 16 | MITSUBISHI ELECTRIC CORPORATION |
| 8857570 | Lighting coupled to elevator system | Jul 29, 13 | Oct 14, 14 | INGERSOLL RAND SECURITY TECHNOLOGIES, INVENTIO AG, |
| 7562748 | Elevator call button with tactile feedback | May 19, 03 | Jul 21, 09 | OTIS ELEVATOR COMPANY |
| 5477942 | Push button assembly | Oct 12, 94 | Dec 26, 95 | INVENTIO AG |
| 5454448 | Elevator call buttons having plural illuminated indications of availability and use | Oct 21, 92 | Oct 03, 95 | OTIS ELEVATOR COMPANY |
| 5419414 | Elevator system with multiple cars in the same hoistway | Nov 18, 93 | May 30, 95 | Not available |
| 5398783 | Elevator hall call device with integral indicator display element | Feb 02, 93 | Mar 21, 95 | OTIS ELEVATOR COMPANY |
| 5389748 | Method and apparatus for modernizing the control of an elevator group | Jun 09, 93 | Feb 14, 95 | INVENTIO AG |
| 5357064 | Elevator hall call cross-cancellation device | Dec 21, 92 | Oct 18, 94 | OTIS ELEVATOR COMPANY |
| 5300738 | Apparatus for registering and indicating hall calls at an elevator entryway with a ticket dispenser | Sep 28, 92 | Apr 05, 94 | INVENTIO AG |
| 5298696 | Elevator car assignment using a plurality of calculations | Jun 26, 91 | Mar 29, 94 | KABUSHIKI KAISHA TOSHIBA |
| 5290975 | Door control and data display system | Jul 29, 91 | Mar 01, 94 | MITSUBISHI DENKI KABUSHIKI KAISHA |
| 5233138 | Elevator control apparatus using evaluation factors and fuzzy logic | Jun 11, 91 | Aug 03, 93 | MITSUBISHI DENKI KABUSHIKI KAISHA |
| 5162665 | Elevator call button/annunciator assembly and circuit | Mar 21, 90 | Nov 10, 92 | Not available |
| 5092431 | Group control for elevators with immediate allocation of target calls in dependence on the hall call entry location | Feb 04, 91 | Mar 03, 92 | INVENTIO AG |
| 5074385 | Call registration apparatus in an elevator system | Jun 25, 90 | Dec 24, 91 | MITSUBISHI DENKI KABUSHIKI KAISHA |
| 5019960 | Master-slave signal transfer system for elevator | May 11, 89 | May 28, 91 | MITSUBISHI DENKI KABUSHIKI KAISHA |
| 4958707 | Elevator control system | Mar 29, 89 | Sep 25, 90 | HITACHI, LTD. |