Robert G. Roycroft — 14 Patents at AT&T

Robert G. Roycroft has been granted 14 US patents while listed as an inventor at AT&T. The first was granted in 2009 and the most recent in December 2025. Robert G. Roycroft ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Robert G. Roycroft in Houston, TX, US.

Patents per Year

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Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12486740	Dart and clutch assembly	Shannon Freeman	2025-12-02
12320225	Electric auto-catcher	Shannon Freeman, Tony Giang	2025-06-03
12180811	Lubricator with orifice	Shannon Freeman, Aaron Michael Benjamin Skeete	2024-12-31
12091939	Dart and clutch assembly	Shannon Freeman	2024-09-17
11784881	Vendor agnostic network device configuration audit platform	Mrugesh Patel, Thomas Barron, Pierre Close, Eddy Hautot, Anaël Closson +2 more	2023-10-10	$133,546,000
11671332	Adjusting triggers for automatic scaling of virtual network functions	Raghvendra Savoor, Frederick Armanino, Cathleen Southwick, Zhi Li	2023-06-06	$23,706,000
11356336	Adjusting triggers for automatic scaling of virtual network functions	Raghvendra Savoor, Frederick Armanino, Cathleen Southwick, Zhi Li	2022-06-07	$52,119,000
10907452	Well plunger systems	Darrell Mitchum	2021-02-02
10826789	Adjusting triggers for automatic scaling of virtual network functions	Raghvendra Savoor, Frederick Armanino, Cathleen Southwick, Zhi Li	2020-11-03	$19,161,000
10718327	Forged flange lubricator	Darrell Mitchum	2020-07-21
10221849	Forged flange lubricator	Darrell Mitchum	2019-03-05
10161230	Well plunger systems	Darrell Mitchum	2018-12-25
9261277	Inducer speed control method for combustion furnace	Gordon Jeffrey Hugghins, Stephen Kowalski	2016-02-16
7601204	Air conditioning apparatus with integrated air filtration system	Mark D. Woodruff, Kirk W. Beason, Larry S. Bias, Lester D. Sherrow, Stephen J. Vendt	2009-10-13

Robert G. Roycroft — 14 Patents

Patents per Year

Issued Patents All Time

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