Invention Grant
- Patent Title: Method and apparatuses for pre-screening
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Application No.: US16503331Application Date: 2019-07-03
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Publication No.: US11628474B2Publication Date: 2023-04-18
- Inventor: Keith Wojciechowski , Christian Newman
- Applicant: Derrick Corporation
- Applicant Address: US NY Buffalo
- Assignee: Derrick Corporation
- Current Assignee: Derrick Corporation
- Current Assignee Address: US NY Buffalo
- Agency: FisherBroyles, LLP
- Agent Jason P. Mueller
- Main IPC: B07B1/28
- IPC: B07B1/28 ; B07B1/30 ; B07B1/42 ; B07B1/46

Abstract:
A vibratory screening machine includes a primary screening area and a pre-screening assembly including a frame and screen assemblies. The screen assemblies are secured to the frame and form a pre-screening surface. The frame is attached to the vibratory screening machine such that the concave pre-screening surface is above the primary screening area.
Public/Granted literature
- US20190321856A1 METHOD AND APPARATUSES FOR PRE-SCREENING Public/Granted day:2019-10-24
Information query
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