Online Extras

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Editor's Overview
Table of Contents
Calendar of Events

December 2018 Extras

In addition to selected U.S. patents, we offer:

  1. A video of Bobby Schaeffer speaking at the opening of D&D's Yonkers training center
  2. “James Murtaugh’s Standard Dumbwaiters” by Dr. Lee Gray, EW Correspondent, referenced in this month’s History article
  3. "Going Up? The History and Evolution of the Modern Elevator," an informative video featuring Jim Lawrence and other elevator experts
  4. More photos from the Ninth Symposium on Lift and Escalator Technologies
  5. DECEMBER WEB EXCLUSIVE: “The Wild Valleys' Glassless Cable Car System” 

Patents

Patent #10112803: Protection Assembly for Elevator Braking Assembly Speed Sensing Device and Method

Patent #10112804: Escalator System

Patent #10118796: System and Method for Group Elevator Scheduling Based on Submodular Optimization

Patent #10118797: Mobile Application Based Elevator Dispatching Using Tenant Identity

Patent #10118799: Multicar Self-Propelled Elevator System