Patent assignee · US · COMPANY

Wacker Corporation

45Patents
0Active
45Granted
37Portfolio score

Filing activity: Mar 3, 1980 → Sep 12, 2007

Most-cited patents

PatentTitleAreaCited byStatus
USD454357S1 Centrifugal trash pump General 47 Expired
US4629359A Power trowel Emerging Cross-Sectional Technologies 31 Expired
US6155648A Power buggy Performing Operations; Transporting 30 Expired
USD416858S Mobile generator General 30 Expired
US5984425A Spring applied/hydraulically released braking system employing self-resetting override valve Performing Operations; Transporting 24 Expired
US6619754B1 Power buggy Performing Operations; Transporting 24 Expired
US4568218A Adjustably controllable centrifugal vibratory exciter Emerging Cross-Sectional Technologies 23 Expired
USD573611S1 Roller General 21 Expired
USD396727S Riding roller General 21 Expired
US6322151A Power buggy Performing Operations; Transporting 20 Expired
USD393864S Vibratory asphalt plate General 19 Expired
US6368016B1 Concrete finishing trowel having an electronically actuated steering assembly Fixed Constructions 18 Expired
USD461197S1 Vibratory trench roller General 15 Expired
US5993109A Power trowel with counterbalanced trowel blade pitch adjust assembly Fixed Constructions 15 Expired
USD454141S1 Vibratory trench roller General 13 Expired
US7052204B2 Portable vibratory screed with vibration restraint Fixed Constructions 13 Expired
USD410313S Power buggy General 12 Expired
US5082396A Vibratory roller Fixed Constructions 12 Expired
US6250844A Concrete finishing trowel with improved rotor assembly drive system Fixed Constructions 12 Expired
US4643611A Vibratory compactor having improved cast base Emerging Cross-Sectional Technologies 12 Expired
US7172365B2 Method of making and using a dynamically balanced walk behind trowel Fixed Constructions 11 Expired
US5890834A Vibratory plate machine with a water supply system and mehtod of using the same Fixed Constructions 11 Expired
US7059802B1 Vibratory compactor and compact exciter assembly usable therewith Emerging Cross-Sectional Technologies 10 Expired
US5726503A Low speed idle actuator and method of use thereof Mechanical Engineering; Lighting; Heating 10 Expired
US6390034B1 Reciprocating impact tool having two-cycle engine oil supply system Mechanical Engineering; Lighting; Heating 9 Expired

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