Inventor · Framingham, MA, US

David P. Hartman

34Patents
10h-index
15Co-inventors
72Inventor score

Filing activity: Jun 22, 1998 → Aug 9, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7191816B2 Retractable shade with collapsible vanes Fixed Constructions 59 Expired
US7588068B2 Retractable shade with collapsible vanes Fixed Constructions 56 Expired
US8171640B2 Apparatus and method for making a window covering having operable vanes Emerging Cross-Sectional Technologies 53 Active
US8393080B2 Method for making a window covering having operable vanes Emerging Cross-Sectional Technologies 33 Active
US8151857B2 Retractable shade with collapsible vanes Fixed Constructions 24 Active
US8607838B2 Retractable shade with collapsible vanes Fixed Constructions 19 Active
US8528615B2 Nonwoven fabric and method and apparatus for manufacturing same Emerging Cross-Sectional Technologies 18 Active
US6152068A Apparatus for manufacturing an adjustable covering for architectural openings Emerging Cross-Sectional Technologies 16 Expired
US8944134B2 Apparatus and method for making a window covering having operable vanes Emerging Cross-Sectional Technologies 14 Active
US9458663B2 Process and system for manufacturing a roller blind Emerging Cross-Sectional Technologies 14 Active
US8944133B2 Retractable shade with collapsible vanes Fixed Constructions 10 Active
US9476252B2 Retractable shade with collapsible vanes Fixed Constructions 9 Active
US9328553B2 Retractable shade with collapsible vanes Fixed Constructions 8 Active
US9416587B2 Unitary assembly for an architectural fenestration, providing dynamic solar heat gain control Emerging Cross-Sectional Technologies 7 Active
US7699954B2 Nonwoven fabric and method and apparatus for manufacturing same Emerging Cross-Sectional Technologies 6 Active
US11118396B2 Covering for architectural features, and related systems, methods of operation, and manufacture Fixed Constructions 4 Active
US6712311B2 Apparatus for manufacturing an adjustable covering for architectural openings Emerging Cross-Sectional Technologies 4 Expired
US6382128B1 Apparatus for manufacturing an adjustable covering for architectural openings Emerging Cross-Sectional Technologies 3 Expired
US7017244B2 Beam winding apparatus Textiles; Paper 3 Expired
US7017853B2 Apparatus for manufacturing an adjustable covering for architectural openings Emerging Cross-Sectional Technologies 3 Expired
US9850702B2 Method for making a window covering having operable vanes Emerging Cross-Sectional Technologies 3 Active
US10604996B2 Retractable shade with collapsible vanes Fixed Constructions 1 Active
US8057616B2 Nonwoven fabric and method and apparatus for manufacturing same Emerging Cross-Sectional Technologies 1 Active
US7311798B2 Apparatus for manufacturing an adjustable covering for architectural openings Emerging Cross-Sectional Technologies 1 Expired
US10391719B2 Process and system for manufacturing a roller blind Emerging Cross-Sectional Technologies 1 Active

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