Issued Patents All Time
Showing 1–25 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428886 | Forced entry resistant sash lock also configured to snap into the meeting rail of the sash window | Glen Paesano | 2025-09-30 |
| 12359477 | Window sash lock configured for screwless snap-in installation onto a meeting rail | Glen Paesano | 2025-07-15 |
| 11187010 | Forced-entry-resistant sash lock | — | 2021-11-30 |
| 11168492 | Tamper resistant sash lock | Zhiwen Wei | 2021-11-09 |
| 11168495 | Automatically resetting window vent stop with dual safety features | David Chen | 2021-11-09 |
| 11118376 | Combination sash lock and tilt latch and slidable window vent stop | David Chen, Glen Paesano | 2021-09-14 |
| 11047157 | Vent stop | David Chen | 2021-06-29 |
| D920078 | Lock housing | Zhiwen Wei | 2021-05-25 |
| 10920469 | Double-action, adjustable, after-market sash stop | — | 2021-02-16 |
| 10865592 | Sash lock and tilt latch also functioning as a window vent stop, with automatic locking upon closure | David Chen, Glen Paesano | 2020-12-15 |
| 10844642 | Combination four-position sash lock and tilt latch also functioning as a window opening control device | David Chen, Glen Paesano | 2020-11-24 |
| 10844636 | Combination forced entry resistant sash lock and tilt latch, also functioning as a window opening control device | Tong Liang, David Chen | 2020-11-24 |
| 10704297 | Impact resistant lock and tilt latch combination for a sliding sash window | David Chen, Glen Paesano | 2020-07-07 |
| 10633897 | Tamper-resistant lock | Tong Liang, David Chen, Troy A. Kirkland | 2020-04-28 |
| 10570652 | Integrated sash lock and tilt latch combination using one lock for two tilt latches | David Chen, Glen Paesano | 2020-02-25 |
| 10323446 | Integrated sash lock and tilt latch combination with improved interconnection capability therebetween | Tong Liang, David Chen | 2019-06-18 |
| 10323439 | Method of securing a sash window and door for transport | David Chen | 2019-06-18 |
| 10174530 | Casement window opening control device with sliding arms | Tong Liang, David Chen | 2019-01-08 |
| 10119310 | Combination sash lock and tilt latch with improved interconnection for blind mating of the latch to the lock | Tong Liang, David Chen | 2018-11-06 |
| 10107021 | Window vent stop with plastic spring member for bi-directional biasing of the tumbler | Tong Liang, David Chen | 2018-10-23 |
| 10053896 | Window vent stop with flexible side engagement pieces | Tong Liang, David Chen | 2018-08-21 |
| 10006232 | Window vent stop with flexible side engagement pieces | Tong Liang, David Chen | 2018-06-26 |
| 9840860 | Double-action, adjustable, after-market sash stop | — | 2017-12-12 |
| 9670705 | Casement window opening control device | Tong Liang, David Chen | 2017-06-06 |
| 9388612 | Casement window opening control device | Tong Liang, David Chen | 2016-07-12 |