Inventor · San Diego, CA, US

Dawn E. Shaffer

23Patents
10h-index
15Co-inventors
68Inventor score

Filing activity: Mar 11, 2005 → Nov 23, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7518374B1 Reconfigurable portable locator employing multiple sensor array having flexible nested orthogonal antennas Physics 41 Active
US7619516B2 Single and multi-trace omnidirectional sonde and line locators and transmitter used therewith Physics 32 Active
US7830149B1 Underground utility locator with a transmitter, a pair of upwardly opening pockets and helical coil type electrical cords Physics 29 Active
US8540429B1 Snap-on pipe guide Physics 26 Active
US8203343B1 Reconfigurable portable locator employing multiple sensor array having flexible nested orthogonal antennas Physics 20 Active
US10009582B2 Pipe inspection system with replaceable cable storage drum Electricity 17 Active
US8564295B2 Method for simultaneously determining a plurality of different locations of the buried objects and simultaneously indicating the different locations to a user Physics 16 Active
US9523788B1 Magnetic sensing buried object locator including a camera Physics 16 Active
US9769366B2 Self-grounding transmitting portable camera controller for use with pipe inspection system Electricity 15 Active
US9989662B1 Buried object locating device with a plurality of spherical sensor balls that include a plurality of orthogonal antennae Physics 12 Active
US10082599B1 Magnetic sensing buried object locator including a camera Physics 5 Active
US10171721B2 Pipe inspection systems with self-grounding portable camera controllers Electricity 5 Active
US10935880B2 Video pipe inspection systems with snap-on pipe guides Physics 4 Active
US10761239B1 Magnetic sensing buried utility locator including a camera Physics 2 Active
US10371305B1 Dockable tripodal camera control unit Mechanical Engineering; Lighting; Heating 1 Active
US12313966B1 Video pipe inspection systems Physics 0 Active
US10992849B1 Pipe inspection systems with self-grounding portable camera controllers Electricity 0 Active
US11719376B1 Dockable tripodal camera control unit Mechanical Engineering; Lighting; Heating 0 Active
US11665321B2 Pipe inspection system with replaceable cable storage drum Electricity 0 Active
US11047516B1 Dockable tripodal camera control unit Mechanical Engineering; Lighting; Heating 0 Active
US11579331B1 Magnetic sensing buried utility locator including a camera Physics 0 Active
US11528401B1 Pipe inspection systems with self-grounding portable camera controllers Electricity 0 Active
US12219248B1 Video pipe inspection systems Electricity 0 Active

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