Patent assignee · US · COMPANY

Helpful Technologies Inc.

2Patents
2Active
2Granted
40Portfolio score

Filing activity: Jan 19, 2010 → Jul 3, 2012 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8726852B2 Fuel activation method and fuel supply system Mechanical Engineering; Lighting; Heating 2 Active
US8747661B2 Method and apparatus for oil recovery from tar sands Chemistry; Metallurgy 0 Active

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