OUR PATENTS

Spanning 37 years, our culture of innovation has yielded a wide-ranging portfolio of 50+ patents for our inventions in pipe inspection, utility locating, and mapping technologies. Our patents demonstrate our ongoing commitment to reinvent the utility locating and pipe inspection industries with new and exciting ways to solve complex problems. By bringing our technological expertise to bear on the challenges faced in the industries we serve, we believe we can help drive efficiency, reduce utility damages, and help our customers have a safer, better experience doing their work in the field.

We are driven by a passion to continue exploring related applications and solutions that will lead to positive change in our industry.

A sampling of our current intellectual property portfolio includes the following:

UTILITY LOCATING

  • Method for locating buried pipes and cables
    US7825647B2
  • Magnetic manual user interface devices
    US10528074B1
  • Utility locating transmitter apparatus and methods
    US10534105B2
  • Buried object locating device with a plurality of spherical sensor balls that include a plurality of orthogonal antennae
    US9989662B1
  • Method and apparatus for high-speed data transfer employing self-synchronizing quadrature amplitude modulation
    US10027526B2
  • Magnetic utility locator devices and methods
    US10082591B1
  • Inductive clamp devices, systems, and methods
    US10088592B1
  • Electronic marker devices and systems
    US20150123664A1
  • User interfaces for utility locators
    US9599740B2
  • Optical ground tracking apparatus, systems, and methods
    US20140313321A1
  • Ground-tracking systems and apparatus
    US9411067B2
  • Modular battery pack apparatus, systems, and methods including viral data and/or code transfer
    US10090498B2
  • Adaptive multichannel locator system for multiple proximity detection
    US7741848B1
  • Omnidirectional sonde and line locator
    US20040070399A1
  • Dual antenna systems with variable polarization
    US20150263434A1
  • Marking paint applicator for portable locator
    US9085007B2
  • Trackable dipole devices, methods, and systems for use with marking paint sticks
    US10105723B1
  • Locator and transmitter calibration system US8635043B1
  • Pipe mapping system
    US8547428B1
  • Sondes for locating underground pipes and conduits
    US7221136B2
  • Haptic directional feedback handles for locating devices
    US20170200352A1
  • Locator antenna with conductive bobbin
    US8400154B1
  • Inductive clamp for applying signal to buried utilities
    US7288929B2
  • Multi-sensor mapping omnidirectional sonde and line locators
    US7336078B1
  • Compact self-tuned electrical resonator for buried object locator applications
    US7276910B2
  • Image-based mapping locating system
    US9465129B1
  • Gradient antenna coils and arrays for use in locating systems
    US1003123B2
  • Tri-Pod Buried Locator System
    US20110006772A1
  • Resiliently deformable magnetic field transmitter cores for use with utility locating devices and systems
    US2010557824B1

PIPE INSPECTING

  • Pipe inspection system with replaceable cable storage drum
    US20190141296A1
  • Spring assemblies with variable flexibility for use with push-cables and pipe inspection systems
    US10379436B1
  • Pipe inspection systems with self-grounding portable camera controllers
    US20180249061A1
  • Thermal extraction architectures for camera and lighting devices
    US10171712B2
  • Sonde devices including a sectional ferrite core
    US9798033B2
  • Smart personal communication devices as user interfaces
    US9625602B2
  • Inspection camera devices and methods with selectively illuminated multisensor imaging
    US20200162702A1
  • Pipe inspection camera heads
    US9824433B2
  • Snap-on pipe guide
    US8540429B1
  • Self-leveling camera head
    US8587648B2
  • High frequency ac-powered drain cleaning and inspection apparatus & methods
    WO2018031471A2
  • Push-cable for pipe inspection system
    US8289385B2
  • Push-cable for pipe inspection system
    EP2396586B1
  • Asymmetric drag force bearings for use with push-cable storage drums
    US8908027B2
  • Light weight sewer cable
    US8984698B1
  • Thermal extraction architecture for camera heads, inspection systems, and other devices and systems
    US90666446B1
  • Video push-cable
    US5808239A
  • Portable pipe inspection systems and apparatus
    US9448376B2
  • High bandwidth push cables for video pipe inspection systems
    US9448376B2
  • Spring assemblies with variable flexibility for use with push-cables and pipe inspection systems
    US9477147B2
  • Cable storage drum with moveable CCU docking apparatus
    US9521303B2
  • Boring inspection systems and methods
    US9651711B1
  • Coaxial video push-cables for use in pipe inspection systems
    W02016100398A1
  • Pipe inspection system with jetter push-cable
    US10359368B1
  • Portable camera controller for use with pipe inspection system
    US10585012B1
  • Camera guide for video pipe inspection system
    US6862945B2
  • Adjustable variable resolution inspection systems and methods
    US10175177B2