Inventor · Wilton, CT, US

Henry J. Walter

21Patents
14h-index
14Co-inventors
78Inventor score

Filing activity: Feb 28, 1975 → Dec 13, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US4147921A Heat treating articles Human Necessities 51 Expired
US4198559A Heat retaining appliance Human Necessities 42 Expired
US4263500A Infrared heating hair dryer Human Necessities 35 Expired
US3994290A Massage device Human Necessities 34 Expired
US3950052A Swivelling electrical connection Electricity 30 Expired
US4209685A Hair straightening or waving mandrel for use with a vapor generating curling iron Human Necessities 30 Expired
US4499355A Heated personal care appliances Human Necessities 27 Expired
US4034201A Steam curling iron having interchangeable hair winding mandrels Human Necessities 26 Expired
US4260875A Controlled temperature hair dryer Human Necessities 24 Expired
US4114194A Ultrasonic cleaner Human Necessities 23 Expired
US4145600A Device for treating hair with heat and vapor Human Necessities 21 Expired
US4171701A Tweezer Human Necessities 19 Expired
US4221050A Cutting tool Performing Operations; Transporting 18 Expired
USRE30500E Massage device General 14 Expired
US3973528A Styling apparatus for hair Human Necessities 13 Expired
US4424437A Hair dryer with remote sensing temperature control Physics 12 Expired
US4214365A Blade assembly Performing Operations; Transporting 9 Expired
US4203026A Temperature responsive fluid delivery control device for a steam curling iron Human Necessities 8 Expired
US4366365A Telescoping electric hair curling iron with an integrally molded hair clip actuator Emerging Cross-Sectional Technologies 5 Expired
US4195218A Dryer Human Necessities 1 Expired
US11639834B2 Buttstock of a small arm and small arm with such a buttstock Mechanical Engineering; Lighting; Heating 1 Active

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