DS

Dawn E. Shaffer

SE Seescan: 16 patents #14 of 73Top 20%
SE Seektech: 4 patents #8 of 27Top 30%
Overall (All Time): #177,108 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12313966 Video pipe inspection systems Mark S. Olsson, Eric M. Chapman, Allen W. Tucker 2025-05-27
12219248 Video pipe inspection systems Mark S. Olsson 2025-02-04
11719376 Dockable tripodal camera control unit Mark S. Olsson, Eric M. Chapman, Jesse O. Casares 2023-08-08
11665321 Pipe inspection system with replaceable cable storage drum Mark S. Olsson, Eric M. Chapman, Loni M. Canepa, James F. Kleyn, Lisa E. Latimer 2023-05-30
11579331 Magnetic sensing buried utility locator including a camera Mark S. Olsson, Paul G. Stuart, David A. Cox, Ray Merewether, Ryan B. Levin +1 more 2023-02-14
11528401 Pipe inspection systems with self-grounding portable camera controllers Mark S. Olsson 2022-12-13
11047516 Dockable tripodal camera control unit Mark S. Olsson, Eric M. Chapman, Jesse O. Casares 2021-06-29
10992849 Pipe inspection systems with self-grounding portable camera controllers Mark S. Olsson 2021-04-27
10935880 Video pipe inspection systems with snap-on pipe guides Mark S. Olsson, Eric M. Chapman, Allen W. Tucker 2021-03-02
10761239 Magnetic sensing buried utility locator including a camera Mark S. Olsson, Paul G. Stuart, David A. Cox, Ray Merewether, Ryan B. Levin +1 more 2020-09-01
10371305 Dockable tripodal camera control unit Mark S. Olsson, Eric M. Chapman, Jesse O. Casares 2019-08-06
10171721 Pipe inspection systems with self-grounding portable camera controllers Mark S. Olsson 2019-01-01
10082599 Magnetic sensing buried object locator including a camera Mark S. Olsson, Paul G. Stuart, David A. Cox, Ray Merewether, Ryan B. Levin +1 more 2018-09-25
10009582 Pipe inspection system with replaceable cable storage drum Mark S. Olsson, Eric M. Chapman, Loni M. Canepa, James F. Kleyn, Lisa E. Latimer 2018-06-26
9989662 Buried object locating device with a plurality of spherical sensor balls that include a plurality of orthogonal antennae Mark S. Olsson, Ray Merewether, Michael J. Martin, David A. Cox 2018-06-05
9769366 Self-grounding transmitting portable camera controller for use with pipe inspection system Mark S. Olsson 2017-09-19
9523788 Magnetic sensing buried object locator including a camera Mark S. Olsson, Paul G. Stuart, David A. Cox, Ray Merewether, Ryan B. Levin +1 more 2016-12-20
8564295 Method for simultaneously determining a plurality of different locations of the buried objects and simultaneously indicating the different locations to a user Mark S. Olsson, Jeffrey A. Prsha, Ray Merewether, Michael J. Martin, Bradley D. Barnicoat +2 more 2013-10-22
8540429 Snap-on pipe guide Mark S. Olsson, Eric M. Chapman, Allen W. Tucker 2013-09-24
8203343 Reconfigurable portable locator employing multiple sensor array having flexible nested orthogonal antennas Mark S. Olsson, Paul G. Stuart, David A. Cox, Ray Merewether, Ryan B. Levin +1 more 2012-06-19
7830149 Underground utility locator with a transmitter, a pair of upwardly opening pockets and helical coil type electrical cords Mark S. Olsson 2010-11-09
7619516 Single and multi-trace omnidirectional sonde and line locators and transmitter used therewith Mark S. Olsson, Jeffrey A. Prsha, Ray Merewether, Michael J. Martin, Bradley D. Barnicoat +2 more 2009-11-17
7518374 Reconfigurable portable locator employing multiple sensor array having flexible nested orthogonal antennas Mark S. Olsson, Paul G. Stuart, David A. Cox, Ray Merewether, Ryan B. Levin +1 more 2009-04-14