An elevator installation includes at least one car or floor door and at least one acceleration sensor mounted on the door. The sensor generates measurements that are transmitted wirelessly to a communications module for determining maintenance …

Legal parties

Inventors (applicants): Adrian Bünter
Assignees (initial): Inventio AG (Hergiswil, CH)
Agents: Fraser Clemens Martin & Miller LLC (attorney), William J. Clemens (attorney)

The application was examined by Anthony Salata (USPTO dept. 2837)


  • 1. An elevator monitoring method comprising: …
  • 2. The elevator monitoring method of claim 1 , the door comprising a car door …
  • 3. The elevator monitoring method of claim 2 , the generated accelerometer measurements indicating accelerations …

International priority data

WO: PCT/EP2008/057514 / Jun. 13, 2008 (international)

Cited documents


  • EP 1415947 A1, May. 1, 2004
  • Tyni et al. US 7484598 B2 / 187/393, Feb. 1, 2009
  • Schuster US 6412604 B1 / 187/290, Jul. 1, 2002
  • Tyni et al. US 7703579 B2 / 187/393, Apr. 1, 2010
  • Kattainen et al. US 7533763 B2 / 187/394, May. 1, 2009
  • WO 2005073119 A2, Aug. 1, 2005
  • Ayano et al. US 6408986 B1 / 187/290, Jun. 1, 2002
  • Ishikawa US 7896137 B2 / 187/290, Mar. 1, 2011
  • WO 2007020322 A1, Feb. 1, 2007
  • Tyni et al. US 7823706 B2 / 187/393, Nov. 1, 2010
  • Mori et al. US 7104363 B2 / 187/290, Sep. 1, 2006


Brief Description of the Drawings

Exemplifying embodiments of the disclosed technologies are explained in detail by way of the figures, for which purpose: FIG. 1 shows a schematic view of a part of a first …



The disclosure relates to an elevator installation and to a method for maintenance of such an elevator …

Detailed Description

FIGS. 1 to 5 show exemplifying embodiments of the disclosed technologies. An elevator installation A is installed in a building (G) with several floors S1-S3. At least one car 4 moves …

More details about Elevator Installation Maintenance Monitoring Utilizing a Door Acceleration Sensor

Miscellaneous patent data

The invention details are shown in 5 figures, the assignee is categorized as a foreign company or corporation, numbered 12/997,718 (application), similar categories include electrical, responsive to, or preventing, jamming by foreign objects, carrying surfaces, means to couple to barrier on load support, Applications of checking, fault-correcting or safety devices in elevators, Mounted adjacent stairway for travel parallel thereto, Having cable and guiding pulley therefor in drive-means, effective on driving gear, Includes object detecting sensor or switch on barrier, Monitoring, Signalling, and Indicating Means, particularly claims an elevator monitoring method comprising…, categorized under Monitors operational parameter as a primary classification, the application publication date is Jun. 15, 2009, the inventor's last name is Bünter, and his first name is Adrian, includes the following drawings: schematic view of a part, schematic view of a part, schematic view of a part, Elevator Installation Maintenance Monitoring Utilizing, illustrated by 3 drawings, the patent was granted on Mar. 25, 2014, the examination was conducted by Anthony Salata, the main examiner (2837 USPTO department), invented by Adrian Bünter, the applicant's name is Bünter Adrian, the grant number is 08678143 (publication number), the known agent's company name - Fraser Clemens Martin & Miller LLC, the invention is named Elevator Installation Maintenance Monitoring Utilizing a Door Acceleration Sensor, the claim 1 is exemplary as chosen by the examiner, the patent was extended by 537 days, the protection scope is defined by 20 claims, the assignee company is Inventio AG located in Hergiswil (CH).

Invention classification information

The invention is classified under Having Computer Control of Elevator, Monitors operational parameter, Details. The designated search classifications include Actuated by location of access barrier or its lock, With specific electrical control therefor, And means for final leveling, With specific electrical component, Having Computer Control of Elevator, Having trip at each of plural landings.

Patent details
Publication number 08678143
Publication date Mar. 25, 2014
Kind code B2
Application number 12/997,718
Application date Jun. 15, 2009
Application type U
Application series code 12
Int. pub. country WO
Int. pub. number WO2009/150251
Int. publication Dec. 17, 2009
Int. filing country WO
Int. filing PCT/EP2009/057380
Filed internationally Jun. 15, 2009
National stage date Mar. 10, 2011
Extension term 537
National classification 187/393
Total number of claims 20
Exemplary claims 1
Number of drawings 3
Number of figures 5
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