Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Elkridge, MD ranks #4,312 worldwide for total patents filed all time, with 648 patents from 192 inventors. Leading employers of inventors based in Elkridge, MD include Vorbeck Materials, US Air Force, Guilford Pharmaceuticals. That works out to 25.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 192 inventors

Rank Inventor Primary Company Patents
1 Sriram Manivannan Vorbeck Materials 35
2 Francisco Santiago US Air Force 33
3 Kevin L. Tays Guilford Pharmaceuticals 31
#4 Mark Bloechl Link Labs 21
#5 Raj Shekhar University Of Maryland, Baltimore 17
#6 Vladimir S. Grigoryan Ciena 16
#7 Ken Harris Pelstar 15
#7 Harshad Sardesai Ciena 15
#7 Daniel Jared Baumwald Therapearl 15
#10 Ryan V. Peters Bluvector 14
#11 Linden H. Bowman The Lindy Bowman 13
#12 Stavros Topouzis Zymogenetics 11
#13 Kenneth J. Smajda 9
#13 Jacob J. Mertz Faro Technologies 9
#13 Christopher R. Vale Westinghouse Electric 9
#13 Robert A. Castellani North American Rescue Products 9
#17 Nadir Shah Ciena 8
#17 Steven Titus Forschungsverbund Berlin E.V. 8
#17 Blaine G. Doletski Noxilizer 8
#20 Alpay Hizal Black & Decker 7
#20 Alan M. Lefcourt USDA 7
#20 Mohan Sasthav Westvaco 7
#23 Alexandra Gyurdieva Osiris Therapeutics 6
#23 Gary L. Morgan Triton Thalassic Technologies 6
#23 Marc C. Nicklaus US Dept of Health & Human Services 6
#26 Chien-Huan Chen Baylor College Of Medicine 5
#26 J. Loyd Spence Eg&G Pressure Science 5
#26 Nail A. Gumerov University Of Maryland 5
#26 Peter Meoli Government Employees Insurance Company (Geico) 5
#26 Eric McGill Becton, Dickinson And 5
#26 Eileen M. Barry University Of Maryland, Baltimore 5
#26 Eric C. Gingrich 5
#26 Evaristus A. Nwulia Howard University 5
#34 Kerry Wood RTX (Raytheon) 4
#34 Scot D. Hoeksema Martek Limited 4
#34 Naoko Takebe University Of Maryland 4
#34 Li-Fang Liang CEA 4
#34 Deborah Goldberg Medimmune Limited 4
#34 Vincent A Dobbins 4
#34 William B. Yablon Northrop Grumman 4
#34 Sanjay Choudhary Ciena 4
#34 Thomas L. Kusterer The Johns Hopkins University 4
#34 Donald W. Newhart US NSA 4
#44 Sandra D. Geraghty Osiris Therapeutics 3
#44 Thomas E. Uveges Osiris Therapeutics 3
#44 Timothy Atolagbe United Therapeutics 3
#44 Sandeep Dhall Osiris Therapeutics 3
#44 Keith A. Cooper International Paper 3
#44 Dan Straub Peri Se 3
#44 Milton L. Rebbert US Air Force 3

Part of Maryland