Patent assignee · US · COMPANY

Cramer LLC

19Patents
6Active
19Granted
38Portfolio score

Filing activity: Feb 10, 1983 → May 16, 2022

Most-cited patents

PatentTitleAreaCited byStatus
USD576809S1 Chair assembly General 87 Expired
US5787874A Gas-fired ceramic-cooktop burner Mechanical Engineering; Lighting; Heating 52 Expired
USD586574S1 Step stool General 34 Expired
US9498066B2 Ergonomic seating assemblies and methods Human Necessities 32 Active
USD566978S1 Step stool General 23 Expired
USD600929S1 Step stool General 22 Expired
USD570125S1 Step stool General 22 Expired
US10226129B2 Ergonomic seating assemblies and methods Human Necessities 16 Active
USD566977S1 Step stool General 15 Expired
USD600928S1 Step stool General 12 Expired
USD566408S1 Step stool General 10 Expired
US4479627A Chair height adjustment mechanism Human Necessities 5 Expired
USD935818S1 Chair General 5 Active
USD576810S1 Chair assembly General 4 Expired
USD953087S1 Chair General 3 Active
US6528002B1 Preformed enclosure for a cushion Emerging Cross-Sectional Technologies 2 Expired
US5901695A Gas burner for cooking place Mechanical Engineering; Lighting; Heating 2 Expired
US11779121B2 Chair having pliable backrest and methods for same Human Necessities 1 Active
US11337526B2 Chair having pliable backrest and methods for same Human Necessities 1 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.