Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10532910 | Underslung elevator car configuration | Minglun Qiu, Anying Shen, Jay S. Lengacher, Brian K. Meek, Scott E. McCullough +2 more | 2020-01-14 |
| 10364128 | Method of installing a vertically extending member in an elevator system | Valery Sheynkman, Troy R. Chicoine, Douglas B. LaBrecque, Craig A. Buckley, William J. Derwin | 2019-07-30 |
| 9701515 | Underslung elevator car configuration | Minglun Qiu, Anying Shen, Jay S. Lengacher, Brian K. Meek, Scott E. McCullough +2 more | 2017-07-11 |
| 9604823 | Assembly for roping an elevator | Valery Sheynkman, Troy R. Chicoine, Douglas B. LaBrecque, Craig A. Buckley, William J. Derwin | 2017-03-28 |
| 7857115 | Device for working on an escalator | Douglas B. LeBrecque, Craig A. Buckley, Troy R. Chicoine, Thomas R. Charney | 2010-12-28 |