Patent assignee · US · COMPANY

John D. Brush & Co., Inc.

113Patents
18Active
113Granted
41Portfolio score

Filing activity: Jan 12, 1976 → Aug 30, 2013 · 15 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US4376380A Combination lock Emerging Cross-Sectional Technologies 1,006 Expired
US8544648B2 System for stacking archive boxes including a fire-resistant drywall support shell Performing Operations; Transporting 93 Active
USD474596S1 Step-up case General 80 Expired
US6269966A Blow-molded snapped-together hinge for double-walled body and lid Performing Operations; Transporting 76 Expired
USD498895S1 Door for security safes and gun cabinets General 72 Expired
USD520856S1 Knob for a combination lock General 70 Expired
USD516834S1 Gun cabinet General 54 Expired
US5069358A Media case Emerging Cross-Sectional Technologies 54 Expired
USD732264S1 Fire-resistant safe General 50 Active
USD571524S1 Protective enclosure General 50 Expired
USD530185S1 Dial for a combination lock General 49 Expired
USD520859S1 Knob for a combination lock General 48 Expired
US5531082A Portable security case Emerging Cross-Sectional Technologies 46 Expired
USD627562S1 Base portion of an archive box General 45 Expired
US6752092B2 Fire and water-resistant container Fixed Constructions 45 Expired
USD645248S1 Archive box General 44 Expired
USD569073S1 Blow molded fire resistant safe General 44 Expired
US6895789B2 Lockable latch with catch for a safe Emerging Cross-Sectional Technologies 43 Expired
US4048926A Safe Fixed Constructions 43 Expired
USD732265S1 Fire-resistant safe General 43 Active
USD485041S1 Door for security safes and gun cabinets General 41 Expired
USD632944S1 Knob for a combination lock General 39 Expired
US4263365A Fire-resistant safe and panel Emerging Cross-Sectional Technologies 39 Expired
USD495113S1 Drawer face for a vertical file, a safe, or the like General 38 Expired
USD570074S1 Fire-resistant safe General 38 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.