Inventor · St. Catharines, ON, CA

John Porter

36Patents
17h-index
24Co-inventors
81Inventor score

Filing activity: Jun 10, 1977 → Nov 4, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US7148160B2 Water vapor breathable, liquid water resistant material Emerging Cross-Sectional Technologies 54 Expired
US5763043A Open grid fabric for reinforcing wall systems, wall segment product and methods of making same Emerging Cross-Sectional Technologies 47 Expired
US7049251B2 Facing material with controlled porosity for construction boards Emerging Cross-Sectional Technologies 45 Expired
US5552207A Open grid fabric for reinforcing wall systems, wall segment product and methods of making same Emerging Cross-Sectional Technologies 39 Expired
US7087296B2 Energy absorbent laminate Emerging Cross-Sectional Technologies 38 Expired
US5895301A Hand-tearable moisture barrier laminate Emerging Cross-Sectional Technologies 33 Expired
US7300892B2 Facing material with controlled porosity for construction boards Emerging Cross-Sectional Technologies 32 Expired
US5881521A Hand-tearable moisture barrier laminate Emerging Cross-Sectional Technologies 30 Expired
US8453833B2 Apparatus for internal mixture of substances Performing Operations; Transporting 25 Active
US5733824A Hand-tearable moisture barrier laminate Emerging Cross-Sectional Technologies 25 Expired
US7354876B2 Fabric reinforcement and cementitious boards faced with same Emerging Cross-Sectional Technologies 25 Expired
US7300515B2 Facing material with controlled porosity for construction boards Emerging Cross-Sectional Technologies 24 Expired
US6254817A Reinforced cementitious boards and methods of making same Emerging Cross-Sectional Technologies 22 Expired
US7393799B2 Breathable, waterproofing, tear-resistant fabric Emerging Cross-Sectional Technologies 22 Expired
US4119326A Variable speed bicycle Performing Operations; Transporting 21 Expired
US4640864A Facing for plastic foamed construction insulation board Emerging Cross-Sectional Technologies 18 Expired
US5869408A Hand-tearable moisture barrier laminate Emerging Cross-Sectional Technologies 17 Expired
US8613372B2 Dispensing cap for a container Performing Operations; Transporting 16 Active
USD285966S Pill crusher General 15 Expired
US7846278B2 Methods of making smooth reinforced cementitious boards Emerging Cross-Sectional Technologies 15 Expired
US8453834B2 Apparatus for internal mixture of substances Performing Operations; Transporting 15 Active
US7615504B2 Cementitious boards Emerging Cross-Sectional Technologies 14 Active
US5399419A Reinforced film and method of manufacturing same Emerging Cross-Sectional Technologies 13 Expired
US7681726B2 Apparatus for internal mixture of substances Performing Operations; Transporting 13 Active
US7523626B2 Conveyor belt Emerging Cross-Sectional Technologies 11 Active

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