Inventor · Sanford, MI, US

Andrew H. Ward

17Patents
5h-index
13Co-inventors
63Inventor score

Filing activity: Aug 3, 1973 → Jan 6, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US3975455A Altering gas permeabilities of polymeric material Emerging Cross-Sectional Technologies 35 Expired
US4767548A Articles for conditioning fabrics in a laundry dryer Chemistry; Metallurgy 19 Expired
US4954333A Transparent antiperspirant compositions and method of preparation Emerging Cross-Sectional Technologies 18 Expired
US5340386A Silicone containing artists' media Chemistry; Metallurgy 9 Expired
US5043359A Skin conditioning compositions containing glyceroxyfunctional silanes and siloxanes Human Necessities 8 Expired
US5208360A Glyceroxyfunctional silanes and siloxanes Chemistry; Metallurgy 4 Expired
US11279562B2 Diverting-folding conveyor system Physics 1 Active
US11377245B2 Pre-perforated substrate separator and insertion device for food preparation line and pre-perforated substrate Performing Operations; Transporting 1 Active
US4107227A Method for preparing improved polyalphamethyls tyrene-polydiorganosiloxane block copolymers and products thereof Emerging Cross-Sectional Technologies 0 Expired
US5162561A Glyceroxyfunctional silanes and siloxanes Chemistry; Metallurgy 0 Expired
US5194452A Acyloxy endblocked polyethers having improved hydrolytic stability Chemistry; Metallurgy 0 Expired
US11782422B2 Value added substrate interleaving system Performing Operations; Transporting 0 Active
US5145875A Glyceroxyfunctional silanes and siloxanes Human Necessities 0 Expired
US4906399A Organosilicon oxygen bleach activator compositions Chemistry; Metallurgy 0 Expired
US5270427A Acyloxy endblocked polyethers having improved hydrolytic stability Chemistry; Metallurgy 0 Expired
US12052995B2 System for rolling food products Human Necessities 0 Active
US4956472A Organosilicon oxygen bleach activators Chemistry; Metallurgy 0 Expired

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