Inventor · Linden, IN, US

Robert E. Hoffman

76Patents
12h-index
27Co-inventors
84Inventor score

Filing activity: Mar 12, 1975 → Dec 11, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5426893A Reinforced sectional storm panel Fixed Constructions 33 Expired
US5472037A Reinforced accordion-type folding shutters Fixed Constructions 29 Expired
US5855099A Sectional storm panel assembly Emerging Cross-Sectional Technologies 25 Expired
US5579615A Sectional storm panel Fixed Constructions 24 Expired
US5515902A Reinforced shutter panel Fixed Constructions 21 Expired
US5611383A Reinforced roll-up shutter Fixed Constructions 20 Expired
US4159211A Dishwasher water temperature control system Emerging Cross-Sectional Technologies 18 Expired
US5343924A System for maintaining alignment of roll-up blind slats Fixed Constructions 17 Expired
US5474118A Reinforced roll-type shuttters Fixed Constructions 17 Expired
US9937100B1 Methods and systems for labeling and loading pharmaceutical containers Performing Operations; Transporting 17 Active
US5566739A Separation resistant slat connections for folding shutters Fixed Constructions 15 Expired
US5522445A Accordion fold panel guide track Fixed Constructions 13 Expired
US4221547A Resilient mount for dishwasher motor and pump assembly Emerging Cross-Sectional Technologies 12 Expired
US9373065B1 Paper feed system and method Performing Operations; Transporting 11 Active
US9944419B2 Systems and methods for a unit-of-use wrap seal packing station Physics 11 Active
US4178957A Dishwasher fill system Emerging Cross-Sectional Technologies 11 Expired
US3988814A Milling machine Emerging Cross-Sectional Technologies 10 Expired
US5531951A Method of forming staple fibers from self-texturing filaments Emerging Cross-Sectional Technologies 10 Expired
US5740850A Separation resistant slat connections for folding shutters Fixed Constructions 10 Expired
US6363669B1 Penetration resistant storm window Fixed Constructions 10 Expired
US5614296A Resilient molded preform made from staple fibers of self-texturing filaments Emerging Cross-Sectional Technologies 9 Expired
US5510183A Method of forming self-texturing filaments and resulting self-texturing filaments Emerging Cross-Sectional Technologies 8 Expired
US11410764B1 Smart medication dispenser Human Necessities 8 Active
US5407625A Method of forming self-texturing filaments and resulting self-texturing filaments Emerging Cross-Sectional Technologies 7 Expired
US5322108A Two section slat for roll-type shutters Fixed Constructions 6 Expired

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