Patent assignee · US · COMPANY

TVi Corporation

19Patents
3Active
19Granted
35Portfolio score

Filing activity: Jan 29, 1997 → Jul 31, 2007 · 3 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5943837A Quick erect shelter apparatus Emerging Cross-Sectional Technologies 41 Expired
US7520910B2 Modular air purification unit Performing Operations; Transporting 32 Active
US7131236B2 Portable decontamination system Fixed Constructions 22 Expired
US7380551B2 Breathing apparatus Human Necessities 21 Expired
US7101412B2 Self-sealing protection filter port Emerging Cross-Sectional Technologies 20 Expired
US7503890B2 Collapsible patient isolation pod Human Necessities 19 Active
US6244011A Inverted V-shaped display framework Emerging Cross-Sectional Technologies 17 Expired
US7082944B2 Changeover valve and dual air supply breathing apparatus Emerging Cross-Sectional Technologies 12 Expired
USD563602S1 Personnel marker General 10 Expired
US6953127B1 Rapid deploy hazmat containment device Mechanical Engineering; Lighting; Heating 9 Expired
US7273052B2 Pneumatic sealing system for protection masks Human Necessities 7 Expired
US6729460B2 Rapid deploy roller transfer device Performing Operations; Transporting 4 Expired
US7320205B2 Method for manufacturing filter canisters and tracking quality assurance Emerging Cross-Sectional Technologies 4 Expired
USD567449S1 Personnel marker General 3 Expired
US7458390B2 Breath controlled air inlet for blower Emerging Cross-Sectional Technologies 3 Active
US7198079B2 Liquid delivery system of gas mask Human Necessities 3 Expired
US7469699B2 Thin profile air purifying blower unit and filter cartridges, and method of use Human Necessities 2 Expired
USD553298S1 Personnel marker General 1 Expired
US7503663B2 Infrared reflective tape squares Performing Operations; Transporting 0 Expired

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