Inventor
BARNICKEL DONALD J
US473 patents
Patents
50 patentsUS10547545B2Jan 28, 2020
Method and apparatus for switching of data channels provided in electromagnetic waves
AT & T IP I LP125 citations99
US10505249B2Dec 10, 2019
Communication system having a cable with a plurality of stranded uninsulated conductors forming interstitial areas for guiding electromagnetic waves therein and method of use
AT & T IP I LP144 citations99
US10469156B1Nov 5, 2019
Methods and apparatus for measuring a signal to switch between modes of transmission
AT & T IP I LP200 citations99
US10446936B2Oct 15, 2019
Multi-feed dielectric antenna system and methods for use therewith
AT & T IP I LP198 citations99
US10439290B2Oct 8, 2019
Apparatus and methods for wireless communications
AT & T IP I LP193 citations99
US10411920B2Sep 10, 2019
Methods and apparatus for inducing electromagnetic waves within pathways of a cable
AT & T IP I LP205 citations99
US10411356B2Sep 10, 2019
Apparatus and methods for selectively targeting communication devices with an antenna array
AT & T IP I LP216 citations99
US10405199B1Sep 3, 2019
Apparatus and methods for transmitting or receiving electromagnetic waves
AT & T IP I LP214 citations99
US10389037B2Aug 20, 2019
Apparatus and methods for selecting sections of an antenna array and use therewith
AT & T IP I LP229 citations99
US10389029B2Aug 20, 2019
Multi-feed dielectric antenna system with core selection and methods for use therewith
AT & T IP I LP219 citations99
US10382976B2Aug 13, 2019
Method and apparatus for managing wireless communications based on communication paths and network device positions
AT & T IP I LP139 citations99
US10371889B1Aug 6, 2019
Method and apparatus for providing power to waveguide systems
AT & T IP I LP236 citations99
US10374316B2Aug 6, 2019
System and dielectric antenna with non-uniform dielectric
AT & T IP I LP238 citations99
US10348391B2Jul 9, 2019
Client node device with frequency conversion and methods for use therewith
AT & T IP I LP265 citations99
US10340600B2Jul 2, 2019
Apparatus and methods for launching guided waves via plural waveguide systems
AT & T IP I LP263 citations99
US10340979B1Jul 2, 2019
Surface wave communication system and methods for use therewith
AT & T IP I LP266 citations99
US10326495B1Jun 18, 2019
Coaxial surface wave communication system and methods for use therewith
AT & T IP I LP281 citations99
US10320586B2Jun 11, 2019
Apparatus and methods for generating non-interfering electromagnetic waves on an insulated transmission medium
AT & T IP I LP286 citations99
US10312567B2Jun 4, 2019
Launcher with planar strip antenna and methods for use therewith
AT & T IP I LP297 citations99
US10276907B2Apr 30, 2019
Transmission medium and methods for use therewith
AT & T IP I LP293 citations99
US10264586B2Apr 16, 2019
Cloud-based packet controller and methods for use therewith
AT & T IP I LP415 citations99
US10243270B2Mar 26, 2019
Beam adaptive multi-feed dielectric antenna system and methods for use therewith
AT & T IP I LP300 citations99
US10224981B2Mar 5, 2019
Passive electrical coupling device and methods for use therewith
AT & T IP I LP323 citations99
US10205212B2Feb 12, 2019
Methods and apparatus for adjusting a phase of electromagnetic waves
AT & T IP I LP325 citations99
US10205655B2Feb 12, 2019
Apparatus and methods for communicating utilizing an antenna array and multiple communication paths
AT & T IP I LP343 citations99
US10200106B1Feb 5, 2019
Analog surface wave multipoint repeater and methods for use therewith
AT & T IP I LP340 citations99
US10171158B1Jan 1, 2019
Analog surface wave repeater pair and methods for use therewith
AT & T IP I LP361 citations99
US10170840B2Jan 1, 2019
Apparatus and methods for sending or receiving electromagnetic signals
AT & T IP I LP355 citations99
US10154493B2Dec 11, 2018
Network termination and methods for use therewith
AT & T IP I LP360 citations99
US10148016B2Dec 4, 2018
Apparatus and methods for communicating utilizing an antenna array
AT & T IP I LP366 citations99
US10142086B2Nov 27, 2018
Repeater and methods for use therewith
AT & T IP I LP368 citations99
US10135145B2Nov 20, 2018
Apparatus and methods for generating an electromagnetic wave along a transmission medium
AT & T IP I LP370 citations99
US10136434B2Nov 20, 2018
Method and apparatus for use with a radio distributed antenna system having an ultra-wideband control channel
AT & T IP I LP374 citations99
US10129057B2Nov 13, 2018
Apparatus and methods for inducing electromagnetic waves on a cable
AT & T IP I LP370 citations99
US10103801B2Oct 16, 2018
Host node device and methods for use therewith
AT & T IP I LP391 citations99
US10096883B2Oct 9, 2018
Methods and apparatus for adjusting a wavelength electromagnetic waves
AT & T IP I LP391 citations99
US10090606B2Oct 2, 2018
Antenna system with dielectric array and methods for use therewith
AT & T IP I LP396 citations99
US10079661B2Sep 18, 2018
Method and apparatus for use with a radio distributed antenna system having a clock reference
AT & T IP I LP397 citations99
US10069535B2Sep 4, 2018
Apparatus and methods for launching electromagnetic waves having a certain electric field structure
AT & T IP I LP407 citations99
US10051483B2Aug 14, 2018
Method and apparatus for directing wireless signals
AT & T IP I LP431 citations99
US10044409B2Aug 7, 2018
Transmission medium and methods for use therewith
AT & T IP I LP439 citations99
US10033107B2Jul 24, 2018
Method and apparatus for coupling an antenna to a device
AT & T IP I LP435 citations99
US10033108B2Jul 24, 2018
Apparatus and methods for generating an electromagnetic wave having a wave mode that mitigates interference
AT & T IP I LP441 citations99
US10027427B2Jul 17, 2018
Apparatus and methods for measuring signals
AT & T IP I LP440 citations99
US10009065B2Jun 26, 2018
Backhaul link for distributed antenna system
AT & T IP I LP455 citations99
US10009063B2Jun 26, 2018
Method and apparatus for use with a radio distributed antenna system having an out-of-band reference signal
AT & T IP I LP446 citations99
US9997819B2Jun 12, 2018
Transmission medium and method for facilitating propagation of electromagnetic waves via a core
AT & T IP I LP442 citations99
US9998870B1Jun 12, 2018
Method and apparatus for proximity sensing
AT & T IP I LP450 citations99
US9999038B2Jun 12, 2018
Remote distributed antenna system
AT & T IP I LP467 citations99
US9991580B2Jun 5, 2018
Launcher and coupling system for guided wave mode cancellation
AT & T IP I LP445 citations99
Showing the top 50 of 473 patents by PatentIndex Score.