Inventor · Lower Hutt, NZ

David Willis

13Patents
7h-index
13Co-inventors
63Inventor score

Filing activity: Apr 21, 1976 → Nov 2, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US4084274A Turning bed Human Necessities 59 Expired
USD319996S Motor home body front and rear panel unit exterior surface General 20 Expired
US5575642A Grate plate Mechanical Engineering; Lighting; Heating 13 Expired
USD980155S1 Removable and extendable motor vehicle cup holder General 13 Active
USD319616S Motor home body front panel exterior surface General 10 Expired
US5049202A Method of enhancing the ductility of aluminum-zinc alloy coating on steel strip Emerging Cross-Sectional Technologies 10 Expired
US7398173B2 Providing nonlinear temperature compensation for sensing means by use of Padé approximant function emulators Physics 8 Expired
US7991571B2 Providing nonlinear temperature compensation for sensing means by use of padé approximant function emulators Physics 5 Active
US7526693B1 Initial decision-point circuit operation mode Physics 4 Active
USD319615S Motor home body rear panel exterior surface General 4 Expired
US8293376B2 Metal-coated steel strip Emerging Cross-Sectional Technologies 4 Active
US9738195B2 Automotive center console armrest storage box lid protector Performing Operations; Transporting 2 Active
US7981480B2 Hot dip coating apparatus Chemistry; Metallurgy 0 Expired

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