Inventor · Sweetgum Street, DK

Erik Haugaard

19Patents

5h-index

19Co-inventors

63Inventor score

Filing activity: Aug 20, 1984 → Nov 12, 2020

Most-cited inventions

Patent	Title	Area	Cited by	Status
USD763322S1	Pump	General	14	Active
US7188562B2	Water-hydraulic machine	Mechanical Engineering; Lighting; Heating	9	Expired
US7892268B2	PDT apparatus with high output LED for therapy and aiming	Human Necessities	7	Active
USD285068S	Telephone	General	6	Expired
US5678604A	Fast opening, slow closing, relief valve	Emerging Cross-Sectional Technologies	5	Expired
US7815162B2	Valve arrangement	Mechanical Engineering; Lighting; Heating	3	Expired
US9416795B2	Reverse osmosis system	Emerging Cross-Sectional Technologies	2	Active
US8951027B2	Vane cell machine	Mechanical Engineering; Lighting; Heating	2	Active
US11457610B1	Animal training device	Physics	2	Active
US10288051B2	Hydraulic machine arrangement	Mechanical Engineering; Lighting; Heating	1	Active
US10711780B2	Hydraulic machine	Mechanical Engineering; Lighting; Heating	0	Active
US10415565B2	Vane cell machine	Mechanical Engineering; Lighting; Heating	0	Active
US9926930B2	Vane pump	Mechanical Engineering; Lighting; Heating	0	Active
US10352322B2	Vane cell machine with centric bore in ring insert in side wall	Mechanical Engineering; Lighting; Heating	0	Active
US9279424B2	Vane cell machine having plates containing axial moving inserts bearing against the rotor	Mechanical Engineering; Lighting; Heating	0	Active
US9821273B2	Reverse osmosis system	Chemistry; Metallurgy	0	Active
US9945231B2	Hydraulic vane-type machine	Mechanical Engineering; Lighting; Heating	0	Active
US10145366B2	Hydraulic arrangement	Mechanical Engineering; Lighting; Heating	0	Active
US8444110B2	Valve arrangement	Emerging Cross-Sectional Technologies	0	Active

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