1
Neil Griffiths, Mike Chamness: Methods and systems for subwoofer calibration. Sonos, December 20, 2016: US09524098 (12 worldwide citation)

Methods and apparatus are disclosed for subwoofer calibration. An example method includes determining a crossover frequency of a playback system, and the playback system includes the subwoofer and a playback device. The example method includes the subwoofer and the playback device configured to outp ...


2
Neil Griffiths: Method for interconnecting electrical conduits in a borehole. Shell Oil Company, May 19, 2009: US07533461 (10 worldwide citation)

A method for interconnecting electrical conduits in an underground borehole by means of a self cleaning downhole electrical connector with a static and a moveable connector part, including installing the static connector part within the borehole such that a central throughbore within the static part ...


3
Dayn Wilberding, Neil Griffiths: Calibration state variable. Sonos, McDonnell Boehnen Hulbert & Berghoff, October 10, 2017: US09788113 (9 worldwide citation)

An example implementation may involve receiving, via a network interface, an indication that the first playback device is calibrated. The implementation may also involve updating a calibration state variable to indicate that the first playback device is calibrated based on receiving the indication t ...


4
Neil Griffiths: Deploying a cable through a guide conduit in a well. Shell Oil Company, Rachael Stiegel, November 22, 2005: US06966384 (6 worldwide citation)

A fiber optical or other cable is inserted through a pre-in-stalled guide conduit in a well by: installing an upper part of the guide conduit permanently in the well such that it is embedded in the annular cement body at the outer surface of a casing string between a wellhead and an outer component ...


5
Jonathon Reilly, Neil Griffiths: Modification of audio responsive to proximity detection. Sonos, McDonnell Boehnen Hulbert & Berghoff, December 29, 2015: US09225307 (3 worldwide citation)

Embodiments described herein provide for detecting movement in proximity to a playback device and responsively modifying the audio that is output from one or more playback devices. According to an embodiment, a user is able to wave his or her hand over a playback device to modify the audio that is o ...


6
Bob Dizon, Neil Griffiths, Luis R Vega Zayas: Satellite volume control. Sonos, McDonnell Boehnen Hulbert & Berghoff, September 6, 2016: US09438193 (2 worldwide citation)

Embodiments are provided for satellite volume control. An example method includes receiving an input at a playback device to adjust a volume for a plurality of playback devices that are grouped for synchronous playback of audio content, wherein the plurality of playback devices includes the playback ...


7
James Rudolph Wetzel, Evan Sheline, Neil Griffiths: Gradational insertion of an artificial lift system into a live wellbore. Zeitecs, Patterson & Sheridan L, July 14, 2015: US09080412 (2 worldwide citation)

A method of inserting a downhole assembly into a live wellbore, includes: assembling a pressure control assembly (PCA) onto a production tree of the live wellbore; inserting a first deployment section of the downhole assembly into a lubricator; landing the lubricator onto the PCA; connecting the lub ...


8
Didier Drablier, Neil Griffiths, Eugene Bespalov: Power and control pod for a subsea artificial lift system. Zeitecs, Patterson & Sheridan L, October 6, 2015: US09151131 (1 worldwide citation)

Embodiments of the present invention generally relate to a power and control pod for subsea artificial lift system. In one embodiment, a method of operating a downhole tool in a subsea wellbore includes: supplying a direct current (DC) power signal from a dry location to a subsea control pod; conver ...


9
Neil Griffiths, James William Hall: Monitoring fluid pressure in a well and retrievable pressure sensor assembly for use in the method. Shell Oil Company, September 10, 2013: US08528395 (1 worldwide citation)

A method for monitoring the pressure difference across an ESP comprises:—connecting the ESP (7) to a production tubing (6)—providing the production tubing (6) with a side pocket (9) which comprises an opening (13)—inserting a pressure sensor assembly (10) into the side packet (9) such that the openi ...


10
Dayn Wilberding, Neil Griffiths: Calibration state variable. Sonos, McDonnell Boehnen Hulbert & Berghoff, August 7, 2018: US10045139

Example techniques involve a calibration state variable. An example implementation receives, via a network interface, an indication that the first playback device is calibrated. Based on receiving the indication that the first playback device is calibrated, the example implementation updates a calib ...