Patents

  US Patent No's Foreign Patent No's Part # / Series #
Nexus Multipoint Sliding Door Lock 8,899,635 Nexus Multipoint Sliding Door Lock Systems
Key Lockable Operator Cover 9,003,706 14873, 14874
Window Opening Control Device / Window Opening Limit Device 8,813,424 14149, 14150, 14151, 14152, SafeGard WOCD
Side Load Extended Travel Block & Tackle Balance 6,598,264
6,877,187
7,155,778
7,353,567
7,669,284
8,042,227
2,376,418 (Canada) 130 series, 135 series, 136 series
Center Release Tilt Latch for Hung Windows 6,817,142 Customer Specific
Inverted Balance T-Lock 6,679,000
6,820,368
6,931,788
7,191,562
8,424,248
D467,490
2,367,733 (Canada) 706 series, 716 series, 747 series
Side Load Terminal Clip 6,745,433 2,399,703 (Canada) 100 series, 130 series, 135 series, 136 series, 186 series
Zing Proof moving pulley for a Block and Tackle Balance 7,028,371 NA
Constant Force Supports and Chaining 6,393,661
6,606,761
6,584,644
6,412,144
6,848,148
7,076,585
7,552,510
5,232,208
2,341,997 (Canada)
2,363,801 (Canada)
2,361,261 (Canada)
2,369,818 (Canada)
2,068,391 (Canada)
981 , 983, 984, 985 series
Class 5 Side Load Attachement 8,296,903 210, 211, 220, 221 series
Arrow Balance 5,737,877 2,068,391 (Canada) 909, 960 series
Balance Shoe with pivot retaining fingers 7,210,267 72488
Auto Lock Sash Lock 7,273,239 4745 Autolock
Gemini Lock 5,820,170
6,264,252
2,214,291 (Canada) 2770-00
2777-84
Sliding Door Handle Linkage 6,945,572
7,261,330
2890
Sliding Door Mutiple Point Lock 6,637,784 NA
Tru-lock® 8,348,308
8,382,166
3205
Legacy E-plate slot for thumb turn 5,125,703 Legacy
Legacy Handle on a Curio Plate D320,334 Legacy
Legacy Handle D340,334 Legacy
Olympus Handle D466,787 Olympus
Crescent Handle D678,032 3828, 3629
Adjustable Door Hinge 8,429,794 HG 200, HG 300
Positionable Hinge 8,438,703 NA

Note:
We are constantly innovating. Additional US and non-US patents protecting these and other products are pending. Products identified in this table are protected at least by the patent(s) listed, and may be covered by additional patent(s) not specifically identified. We reserve the right to update this information at any time.