Inventor · Oconomowoc, WI, US

Michael S. Kellogg

44Patents
21h-index
8Co-inventors
78Inventor score

Filing activity: Oct 22, 1979 → Aug 31, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US5971188A Collapsible container and method of making and using same Emerging Cross-Sectional Technologies 69 Expired
USD406423S Pop open hamper General 60 Expired
US5967357A Semi rigid container and method of making and using same Performing Operations; Transporting 54 Expired
US6494335B1 Two frame collapsible structure and method of making and using same Textiles; Paper 52 Expired
USD461638S1 Collapsible container General 50 Expired
USD431361S Collapsible container General 47 Expired
US5992045A Collapsible drying apparatus and method for forming and collapsing said apparatus Textiles; Paper 45 Expired
US6220998A Collapsible container and method of making and using same Emerging Cross-Sectional Technologies 43 Expired
USD551452S1 Two compartment container General 43 Expired
USD438009S Collapsible container General 42 Expired
US6059912A Method of making and using a semi rigid container Emerging Cross-Sectional Technologies 38 Expired
USD433810S Multiple compartment container General 38 Expired
USRE37924E1 Collapsible container and method of making and using same General 37 Expired
USD449447S Collapsible container General 36 Expired
USD547950S1 Collapsible structure General 32 Expired
USD519280S1 Collapsible structure General 32 Expired
US6948632B2 Collapsible structure Textiles; Paper 31 Expired
US7228820B1 Expandable animal kennel Human Necessities 31 Expired
USD536872S1 Collapsible structure General 27 Expired
USD555905S1 Collapsible structure General 25 Expired
US4287181A Derivatives of 6.beta.-hydroxyalkylpenicillanic acids as .beta.-lactamase inhibitors Human Necessities 24 Expired
US7845507B2 Collapsible container having discontinuous frame members Textiles; Paper 21 Active
USRE38591E1 Collapsible drying apparatus and method for forming and collapsing said apparatus General 21 Expired
USD427402S Ironing board having foldable legs General 17 Expired
USD610352S1 Collapsible structure General 17 Expired

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