Inventor · Baltimore, MD, US

John R. Hess

22Patents
13h-index
35Co-inventors
81Inventor score

Filing activity: Mar 28, 1974 → Jan 19, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US5169287A Shroud cooling assembly for gas turbine engine Mechanical Engineering; Lighting; Heating 104 Expired
US5118120A Leaf seals Mechanical Engineering; Lighting; Heating 77 Expired
US6150085A Prolonged storage of red blood cells and composition Human Necessities 65 Expired
US5605438A Casing distortion control for rotating machinery Mechanical Engineering; Lighting; Heating 65 Expired
US5165847A Tapered enlargement metering inlet channel for a shroud cooling assembly of gas turbine engines Mechanical Engineering; Lighting; Heating 60 Expired
US6447987B1 Prolonged storage of red blood cells Human Necessities 54 Expired
US4101245A Interblade damper and seal for turbomachinery rotor Emerging Cross-Sectional Technologies 48 Expired
US5174714A Heat shield mechanism for turbine engines Emerging Cross-Sectional Technologies 37 Expired
US6497153B1 Measuring spatial variability in soil characteristics Physics 34 Expired
US6825323B2 Compositions for treatment of hemorrhaging with activated factor VIIa in combination with fibrinogen and methods of using same Human Necessities 26 Expired
US3936222A Gas turbine construction Emerging Cross-Sectional Technologies 23 Expired
US5090865A Windage shield Emerging Cross-Sectional Technologies 19 Expired
US8876448B1 Gas turbine half-casing shipping fixture Mechanical Engineering; Lighting; Heating 14 Active
US8061971B2 Apparatus and method for cooling a turbine Mechanical Engineering; Lighting; Heating 10 Active
US8932560B2 Advanced functional biocompatible polymeric matrix used as a hemostatic agent and system for damaged tissues and cells Human Necessities 9 Active
US8277170B2 Cooling circuit for use in turbine bucket cooling Emerging Cross-Sectional Technologies 8 Active
US6784597B1 Self-locking nut for stud shaft and stacked wheel assembly for the rotor of a rotary machine Mechanical Engineering; Lighting; Heating 8 Expired
US10179145B2 Advanced functional biocompatible polymeric matrix used as a hemostatic agent and system for damaged tissues and cells Human Necessities 3 Active
US7744450B2 Particulate residue separators for harvesting devices Human Necessities 3 Active
US8709707B2 Compositions substantially free of sodium chloride and methods for the storage of red blood cells Chemistry; Metallurgy 1 Active
US9314014B2 Compositions and methods for the storage of red blood cells Chemistry; Metallurgy 0 Active
US8317481B2 Rotor of a turbomachine and method for replacing rotor blades of the rotor Emerging Cross-Sectional Technologies 0 Active

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