Patent assignee · US · COMPANY

Vaccine Technology Limited

23Patents
1Active
23Granted
38Portfolio score

Filing activity: May 11, 1976 → Dec 2, 2005 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US4722298A Modular processing apparatus for processing semiconductor wafers Emerging Cross-Sectional Technologies 610 Expired
US4717461A System and method for processing workpieces Emerging Cross-Sectional Technologies 362 Expired
US4756810A Deposition and planarizing methods and apparatus Electricity 119 Expired
US4673456A Microwave apparatus for generating plasma afterglows Electricity 72 Expired
US4852516A Modular processing apparatus for processing semiconductor wafers Emerging Cross-Sectional Technologies 60 Expired
US4062463A Automated single cassette load mechanism for scrubber Emerging Cross-Sectional Technologies 53 Expired
US5094884A Method and apparatus for applying a layer of a fluid material on a semiconductor wafer Emerging Cross-Sectional Technologies 50 Expired
US5114556A Deposition apparatus and method for enhancing step coverage and planarization on semiconductor wafers Electricity 49 Expired
US4711610A Balancing chuck Emerging Cross-Sectional Technologies 43 Expired
US4664935A Thin film deposition apparatus and method Chemistry; Metallurgy 37 Expired
US4856456A Apparatus and method for the fluid treatment of a workpiece Performing Operations; Transporting 29 Expired
US4190015A Apparatus for dispensing liquid to spinning workpieces Performing Operations; Transporting 26 Expired
US4281031A Method and apparatus for processing workpieces Emerging Cross-Sectional Technologies 22 Expired
US4674521A Rinsing apparatus and method Emerging Cross-Sectional Technologies 17 Expired
US4885075A Cooling device for a sputter target and source Chemistry; Metallurgy 14 Expired
US4685852A Process apparatus and method and elevator mechanism for use in connection therewith Emerging Cross-Sectional Technologies 13 Expired
US4776923A Plasma product treatment apparatus and methods and gas transport systems for use therein Electricity 11 Expired
US4109337A Automated two-sided cleaning apparatus Performing Operations; Transporting 9 Expired
US4592926A Processing apparatus and method Emerging Cross-Sectional Technologies 7 Expired
US4519526A Method and apparatus for dispensing liquid Physics 7 Expired
US4818561A Thin film deposition apparatus and method Chemistry; Metallurgy 7 Expired
US4517752A Splash retarder Mechanical Engineering; Lighting; Heating 3 Expired
US8765721B2 Composition comprising phosphatidyl serine and an antigen or allergen and the use thereof Human Necessities 0 Active

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