Inventor · Riverside, CA, US

John R. Frey

19Patents
7h-index
4Co-inventors
59Inventor score

Filing activity: May 21, 1985 → Mar 15, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US5839236A Curtain wall integral drip system Fixed Constructions 53 Expired
USD433916S Door latch with lever control General 42 Expired
USD424406S Convex surface latch General 25 Expired
USD427878S Door latch with lever control General 20 Expired
US5595033A Plastic block Fixed Constructions 18 Expired
US8177025B2 Safety harnesses, connective ring attachments for use in safety harnesses and back pads for use in safety harnesses Emerging Cross-Sectional Technologies 15 Active
US6050036A Flange mounted framing system Fixed Constructions 7 Expired
US5219532A Reduced gas holdup in catalytic reactor Performing Operations; Transporting 7 Expired
US4804458A Process for collecting vapor in ebullated bed reactors Performing Operations; Transporting 6 Expired
USD432900S Latch with recessed handle swing zone General 6 Expired
US7975442B1 Control of migration of cold manifestation, from exterior, in multiple glazed window or door systems Fixed Constructions 6 Active
US8727073B2 Safety harnesses, connective ring attachments for use in safety harnesses and back pads for use in safety harnesses Emerging Cross-Sectional Technologies 5 Active
US7841138B1 Plastic paneling on metallic door frame Fixed Constructions 5 Active
US4950459A Vapor collection and process for ebullated bed reactors Performing Operations; Transporting 4 Expired
US6829868B1 Glazing pane installation Fixed Constructions 4 Expired
USD295952S Butt glaze glass clip General 2 Expired
US5443718A Reduced gas holdup in ebullated reactor Performing Operations; Transporting 1 Expired
US6023998A Shingle removing implement Fixed Constructions 1 Expired
USD433917S Clam shell handle latch, with keeper General 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.