Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10532910 | Underslung elevator car configuration | Anying Shen, Richard S. Blakelock, Jay S. Lengacher, Brian K. Meek, Scott E. McCullough +2 more | 2020-01-14 |
| 9701515 | Underslung elevator car configuration | Anying Shen, Richard S. Blakelock, Jay S. Lengacher, Brian K. Meek, Scott E. McCullough +2 more | 2017-07-11 |
| 8256582 | Methods and devices for surveying elevator hoistways | — | 2012-09-04 |
| 5564529 | Elevator car frame and platform assembly | Richard J. Ericson, T. Thomas Suchodolski | 1996-10-15 |
| 5492201 | Method and apparatus for installing and balancing an elevator car | Richard J. Ericson, T. Thomas Suchodolski | 1996-02-20 |
| 5325937 | Elevator platform isolation | T. Thomas Suchodolski | 1994-07-05 |