Inventor · Grand Rapids, MI, US

Arnold B. Dammermann

33Patents
22h-index
29Co-inventors
81Inventor score

Filing activity: Mar 30, 1994 → Sep 15, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US6394546B1 Lumbar device Emerging Cross-Sectional Technologies 235 Expired
US5975634A Chair including novel back construction Emerging Cross-Sectional Technologies 224 Expired
US6471294B1 Adjustable lumbar support Human Necessities 155 Expired
US7131700B2 Back construction for seating unit Emerging Cross-Sectional Technologies 124 Expired
US7427105B2 Back construction for seating unit Emerging Cross-Sectional Technologies 91 Active
US6991291B2 Back construction for seating unit having spring bias Emerging Cross-Sectional Technologies 80 Expired
US6176550A Adjustable armrest for chairs Emerging Cross-Sectional Technologies 79 Expired
US7114777B2 Chair having reclineable back and movable seat Emerging Cross-Sectional Technologies 76 Expired
US6394545B2 Back for seating unit Emerging Cross-Sectional Technologies 69 Expired
US6749261B2 Seating unit including novel back construction Emerging Cross-Sectional Technologies 66 Expired
US6367877B1 Back for seating unit Emerging Cross-Sectional Technologies 66 Expired
US6349992B1 Seating unit including novel back construction Emerging Cross-Sectional Technologies 63 Expired
US6460928B2 Seating unit including novel back construction Emerging Cross-Sectional Technologies 46 Expired
USD414349S Chair General 44 Expired
USD442791S Chair General 39 Expired
US7712834B2 Back support for seating unit Emerging Cross-Sectional Technologies 38 Active
US6554364B1 Articulating armrest Human Necessities 38 Expired
US6905171B2 Seating unit including novel back construction Emerging Cross-Sectional Technologies 38 Expired
US5971484A Adjustable armrest for chairs Emerging Cross-Sectional Technologies 35 Expired
US6302486A Seating unit with adjustable armrest Emerging Cross-Sectional Technologies 33 Expired
US7040709B2 Back construction for seating unit having inverted U-shaped frame Emerging Cross-Sectional Technologies 28 Expired
US6168237A Adjustable armrest for chairs Emerging Cross-Sectional Technologies 24 Expired
US5630650A Vertically adjustable back construction for seating Human Necessities 22 Expired
USD442400S Seating unit General 19 Expired
USD439451S Back for a seating unit General 18 Expired

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