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USPTO Patent Rankings Data through Dec 31, 2025
Home › Cities › Maryland › Adelphi, MD

Adelphi, MD All Time

275 patents  ·  85 inventors  ·  16.4/1k pop.

Ranked #8,027 of 112,640 cities Top 8%

Adelphi, MD ranks #8,027 worldwide for total patents filed all time, with 275 patents from 85 inventors. Leading employers of inventors based in Adelphi, MD include US Air Force, The Boeing, US Army. That works out to 16.4 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 85 inventors

Rank Inventor Primary Company Patents
1 Michael E. Sitzmann US Air Force 40
2 Richard N. Johnson The Boeing 23
3 William M. Koppes US Air Force 21
#4 David M. Hull US Army 15
#5 Brian M. Sadler US Army 13
#6 Edward A. Page Alliant Techsystems 10
#7 Charles F. Harrison Pacific Scientific 8
#8 Anand Kumar Chavakula — 7
#9 Kenneth J. Ritter Lockheed Martin 6
#10 Brian Powers Temperpack Technologies 5
#11 Eduardo Gurgel Do Amaral Valente University Of Maryland, College Park 4
#11 Hossein Esfandiari Google 4
#11 Jan P. Kochansky USDA 4
#11 Harold R. Riedl US Air Force 4
#11 Mahendran Velauthapillai Cisco 4
#16 Howard W. Keithley, Jr. Unknown 3
#16 John R. Cressey Hayes Microcomputer Products 3
#16 Babajide O. Oguntimein University Of Mississippi 3
#16 Anna Anh Tran — 3
#16 William R. Lusby USDA 3
#16 Peter A. St. John Baxter Travenol Laboratories 3
#16 Zachary David Eldredge US Dept of Commerce 3
#16 Seyed Alireza Seif Tabrizi US Dept of Commerce 3
#16 Chukwuma P. Nwaonicha Howard University 3
#16 Weilou Cao — 3
#26 Cleveland Haig Richards, Jr. — 2
#26 Christopher Lausted Institute For Systems Biology 2
#26 Jia-Ming Gu US Dept of Commerce 2
#26 Kenneth W. Stark US Air Force 2
#26 Steve N. Chan US Air Force 2
#26 David Sumner US Army 2
#26 Andrew Dainis — 2
#26 Carla A. Viands The Johns Hopkins University 2
#26 Pritam S. Verma Howard University 2
#26 Vjekoslav Pavlin Nl Technologies 2
#26 Michael E. Sitzman US Air Force 2
#26 Chris A. Borkowski Advanced Modular Power Systems 2
#26 Franklin E. Law Unknown 2
#26 Aimable Kalume US Army 2
#26 Matthew B. Coppock US Army 2
#26 Robert J. Hallett IBM 2
#26 Ivan Penskiy University Of Maryland 2
#43 Andie Hodge Sas Institute 1
#43 Mahsa Dornajafi — 1
#43 Brian Garra The United States Of America, As Represented By The Secretary, Department Of Health And Human Services 1
#43 Brian L. Biehl — 1
#43 Alexander J. Winton Institute For Systems Biology 1
#43 Kyle Gregory — 1
#43 Andrejez S. Piekarowicz University Of Maryland 1
#43 Bernard P. Howder US Air Force 1

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