DC

David Aperahama Calvert

CA Cascade: 2 patents #23 of 65Top 40%
WL Wedgelock Equipment Limited: 2 patents #5 of 8Top 65%
NA Nissan North America: 1 patents #414 of 884Top 50%
Overall (All Time): #688,822 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12428799 Locking device for a quick coupler Michael Hugh James RIDER, Andrew James Phillip Rider, Matthew James Calvert, Andre Richard Anderson 2025-09-30
12036664 End effectors for robotic units used to open and close vehicle doors Andrew Williamson, Gregory Michel, Travis Fritsche, Terry Cox 2024-07-16
11846083 Locking device for a quick coupler Michael Hugh James RIDER, Andrew James Phillip Rider, Matthew James Calvert, Andre Richard Anderson 2023-12-19
10280588 Coupler for earth moving or materials handling machine Matthew James Calvert 2019-05-07
9863117 Coupler for earth moving or materials handling machine Matthew James Calvert 2018-01-09
8347974 Safety locking device Matthew James Calvert 2013-01-08
7828070 Safety locking device Matthew James Calvert 2010-11-09