Inventor
HANDY RICHARD L
US12 patents
⚠️ This page may combine multiple inventors who share the name “HANDY RICHARD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV IOWA STATE RES FOUND INC
10 patentsUS4508472AApr 2, 1985
Method for controlling moisture-expansive clay supporting building foundations
UNIV IOWA STATE RES FOUND INC28 citations91
US4543820AOct 1, 1985
Tapered blade in situ soil testing device
UNIV IOWA STATE RES FOUND INC24 citations81
US4458525AJul 10, 1984
Borehole plate test
UNIV IOWA STATE RES FOUND INC21 citations81
US4047425ASep 13, 1977
Testing device for measuring lateral pressure induced on a material by a vertical applied pressure
UNIV IOWA STATE RES FOUND INC31 citations81
US4075885AFeb 28, 1978
Rock borehole shear tester
UNIV IOWA STATE RES FOUND INC27 citations78
US4773259ASep 27, 1988
Modified borehole shear tester
UNIV IOWA STATE RES FOUND INC11 citations73
US4290252ASep 22, 1981
Basement waterproofing system
UNIV IOWA STATE RES FOUND INC13 citations72
US4494694AJan 22, 1985
Support system for a railroad track
UNIV IOWA STATE RES FOUND INC15 citations67
US4662213AMay 5, 1987
Back pressured pneumatic pressure cell
UNIV IOWA STATE RES FOUND INC18 citations66
US4524626AJun 25, 1985
Soil effective stress sensor and method of using same
UNIV IOWA STATE RES FOUND INC17 citations66