Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9038315 | Self-balancing double-hung window apparatus | — | 2015-05-26 |
| 9003710 | Tilt sash counterbalance system including curl spring mount stabilizer | Jay Sofianek | 2015-04-14 |
| 8966822 | Air and debris dam for moving coil balance assembly | Jay Sofianek, John A. Kessler | 2015-03-03 |
| 8819896 | Locking carrier and mounting arrangement for tilt sash counterbalance systems | Eric Mertz, Mark R. Baker, Jeffrey D. Tuller, Richard S. deNormand, Fletcher Smith +1 more | 2014-09-02 |
| 8813310 | Window balance assembly | Mark R. Baker | 2014-08-26 |
| 8561260 | Window balance assembly | Mark R. Baker, Richard S. deNormand | 2013-10-22 |
| 8448296 | Side load carrier and balance system for window sashes | — | 2013-05-28 |
| 8302258 | Apparatus and method for canceling opposing torsional forces in a compound balance | Robert M. Lucci | 2012-11-06 |
| 8146204 | Apparatus and method for canceling opposing torsional forces in a compound balance | Robert M. Lucci | 2012-04-03 |
| 7945994 | Two piece carrier and balance assembly | Tobias Peter Dallas, Douglas Zinter, Richard S. deNormand | 2011-05-24 |
| 7362064 | Control arrangement for a cleaning appliance | Donald A. Coates, Robert W. Bauman, Michael A. Durbin, Evan A. Gordon, Adam C. Sclafani +5 more | 2008-04-22 |
| 7146679 | Apparatus and method for cleaning a surface | Donald A. Coates, Robert W. Bauman, Michael A. Durbin, Evan A. Gordon, Adam C. Sclafani +5 more | 2006-12-12 |
| 5224696 | Method of rotating sheet material | — | 1993-07-06 |
| 5104117 | Paper sheet sorting apparatus | Walter A. McCormick, Gregory Phillips | 1992-04-14 |
| 5056772 | Paper rotating table | — | 1991-10-15 |
| 4890825 | Paper sheet stacking and jogging apparatus | Walter A. McCormick, Douglas Langton, Thomas C. Saunders, Gregory Phillips | 1990-01-02 |