Inventor · Pyrbaum, DE

Hermann Bock

43Patents
13h-index
12Co-inventors
78Inventor score

Filing activity: May 14, 1996 → May 18, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6260921A Lumbar support adjustment mechanism Human Necessities 92 Expired
US6189972A Lumbar support adjustment mechanism Human Necessities 83 Expired
US7837269B2 Armrest, in particular for an office chair Human Necessities 67 Active
US6279998A Seat mounting mechanism Human Necessities 54 Expired
USD540079S1 Seat back General 45 Expired
US6709056B2 Preloaded spring arrangement, in particular for spring loading office chair synchronizing mechanisms Human Necessities 39 Expired
US6135556A Seat adjustment mechanism Human Necessities 28 Expired
USD507910S1 Headrest General 26 Expired
US7866750B2 Permanent contact mechanism Human Necessities 24 Expired
US6062646A Adjustable-height armrest, in particular for an office chair Human Necessities 21 Expired
US8146990B2 Mechanism for an office chair Human Necessities 19 Active
USD506336S1 Armrest General 13 Expired
US6886888B2 Synchronizing mechanism for correlated seat/backrest motion of an office chair Human Necessities 13 Expired
US8550557B2 Synchronous mechanism Human Necessities 12 Active
US8899680B2 Mechanism for a chair Human Necessities 12 Active
US9839296B2 Mechanism for an office chair Human Necessities 11 Active
US8857909B2 Chair with a rocking mechanism Human Necessities 11 Active
US5678893A Chair, in particular office chair, with an adustable height back-rest construction Human Necessities 11 Expired
US6796611B2 Synchronizing mechanism for office chairs Human Necessities 10 Expired
US8246113B2 Office chair or office chair component with an aerial tensioning element Human Necessities 10 Active
USD506627S1 Armrest General 7 Expired
US6106069A Universal seat carrier panel for office chairs Human Necessities 5 Expired
US10537176B2 Armrest, in particular for an office chair Human Necessities 5 Active
USD899168S1 Office chair mechanism General 4 Active
US11178972B2 Chair with seat tilt mechanism Human Necessities 4 Active

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