Patent assignee · US · COMPANY

FlowMole Corporation

13Patents
0Active
13Granted
32Portfolio score

Filing activity: Mar 7, 1985 → Sep 12, 1989

Most-cited patents

PatentTitleAreaCited byStatus
US4674579A Method and apparatus for installment of underground utilities Fixed Constructions 157 Expired
US4881083A Homing technique for an in-ground boring device Fixed Constructions 112 Expired
US4714118A Technique for steering and monitoring the orientation of a powered underground boring device Fixed Constructions 95 Expired
US5070462A Device for locating a boring machine Physics 74 Expired
US4867255A Technique for steering a downhole hammer Fixed Constructions 56 Expired
US4787463A Method and apparatus for installment of underground utilities Fixed Constructions 55 Expired
US4821815A Technique for providing an underground tunnel utilizing a powered boring device Electricity 41 Expired
US4864293A Inground boring technique including real time transducer Fixed Constructions 28 Expired
US4911579A Swivel arrangement for connecting a boring or reaming tool to a cable Fixed Constructions 26 Expired
US4896733A Technique for providing an underground tunnel utilizing a powered boring device Electricity 22 Expired
US4856600A Technique for providing an underground tunnel utilizing a powered boring device Electricity 19 Expired
US4755805A Current sensing alarm arrangement for monitoring the presence of high voltage Physics 15 Expired
US4754526A System including a multi-stepped nozzle assembly for back-boring an inground passageway Fixed Constructions 14 Expired

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