Inventor · Calgary, AB, CA

John E. Hughes

30Patents
8h-index
20Co-inventors
75Inventor score

Filing activity: Aug 19, 1997 → May 10, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6403881B1 Electronic component package assembly and method of manufacturing the same Electricity 41 Expired
US6074464A Phosphate bonded aluminum coatings Chemistry; Metallurgy 26 Expired
US6368394B1 Chromate-free phosphate bonding composition Emerging Cross-Sectional Technologies 25 Expired
US6224657A Hexavalent chromium-free phosphate-bonded coatings Emerging Cross-Sectional Technologies 23 Expired
US5968240A Phosphate bonding composition Emerging Cross-Sectional Technologies 19 Expired
US7022003B1 Powder driven surface finishing apparatus Performing Operations; Transporting 13 Expired
US7021382B2 Downhole axial force generating tool Fixed Constructions 12 Expired
US6749331B1 Fluid driven rotary agitator with suction conduit Performing Operations; Transporting 10 Expired
US7520343B2 Retrievable center bit Fixed Constructions 8 Expired
US11668091B2 Acoustical building panel, monolithic surface covering system incorporating an acoustical building panel, and methods of forming and installing the same Fixed Constructions 2 Active
US11365322B2 Flame retardant clear coatings for building panels Fixed Constructions 1 Active
US11124964B2 Multifunctional water-borne high solids tile paint Fixed Constructions 1 Active
US11274439B2 Flame retardant clear coatings for building panels Fixed Constructions 1 Active
US10961404B2 High solids edge coatings for building panels Chemistry; Metallurgy 0 Active
US12410324B2 Flame retardant clear coatings for building panels Fixed Constructions 0 Active
US11761200B2 Flame retardant clear coatings for building panels Fixed Constructions 0 Active
US12410610B2 Flame retardant clear coatings for building panels Fixed Constructions 0 Active
US12221784B2 Acoustical building panel, monolithic surface covering system incorporating an acoustical building panel, and methods of forming and installing the same Fixed Constructions 0 Active
US12297371B2 Antimicrobial and antiviral building panels Chemistry; Metallurgy 0 Active
US12139641B2 High solids edge coatings for building panels Chemistry; Metallurgy 0 Active
US12269962B2 Stable coating compositions and methods of preparing and using the same Chemistry; Metallurgy 0 Active
US12018180B2 Fire resistant adhesive compositions and methods of preparing and using the same Chemistry; Metallurgy 0 Active
US11744251B2 Commercial confection mixer apparatus Performing Operations; Transporting 0 Active
US11685837B2 Coating composition Chemistry; Metallurgy 0 Active
US11898049B2 High solids coatings for building panels Fixed Constructions 0 Active

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