Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Annapolis, MD ranks #1,552 worldwide for total patents filed in 2017, with 85 patents from 64 inventors. Leading employers of inventors based in Annapolis, MD include Cardioxyl Pharmaceuticals, Ionic Security, Semaconnect. That works out to 2.1 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 64 inventors

Rank Inventor Primary Company Patents
1 Vincent Jacob Kalish Cardioxyl Pharmaceuticals 6
2 Jeremy Eckman Ionic Security 3
2 Mahidhar Reddy Semaconnect 3
#4 William George Doyen Rockwell Collins 2
#4 Stephen Ritterbush 2
#4 Kevin J. Powell Symbol Technologies 2
#4 Martin van Staden X-Energy 2
#4 Lisa McCue Karsten 2
#4 James Gary Cooper, Jr. Rockwell Collins 2
#4 Yoachim C. Russ 2
#4 Jonathan James Woodward Covidien Lp 2
#4 Oliver Birch IBM 2
#4 Brian Emery Ray Link Labs 2
#4 James Craig Moran Verint Americas 2
#4 Charles Kleinrichert Automatic Bar Controls 2
#16 Kenneth Hugh Rose 1
#16 Keith A. McFarland Telecommunication Systems 1
#16 Ari Blenkhorn Orbis Technologies 1
#16 Brian Hagenbuch Pivotal Software 1
#16 Vince Kayser Semaconnect 1
#16 Frank Bosmans The Johns Hopkins University 1
#16 Matthew T. Hauser 1
#16 Mark Stanley Krawczewicz 1
#16 Paul Reed Smith Paul Reed Smith Guitars, Limited Partnership 1
#16 Nu Hoang Graybug Vision 1
#16 Jeffrey Howard Ionic Security 1
#16 David M. McClatchy, III Dartmouth College 1
#16 Todd Pehle Orbis Technologies 1
#16 William E. Bentley University Of Maryland, College Park 1
#16 John C. Earle Propeller 1
#16 Thomas W. Tedesso US Air Force 1
#16 Mark Charles Feffer 1
#16 Orville Pike Telecommunication Systems 1
#16 Curt Clifton Intel 1
#16 Timothy C. Berzins Mantech Advanced Systems International 1
#16 Alex Corckran 1
#16 Richard Joklik Combustion Science & Engineering 1
#16 Michele N. DiMeo 1
#16 David J. Podrog 1
#16 Herbert Estrada Cameron International 1
#16 John David-Dickson Roth US Navy 1
#16 Laird Nicholas Egan Lockheed Martin 1
#16 Kevin Delaney Rockwell Collins 1
#16 James Urban Deeproot Green Infrastruture 1
#16 David Clark Harris 1
#16 William Rosenquist Burns IBM 1
#16 Ronald Govoro U.S. Patent Innovations 1
#16 Paul D. Smith The United States Of America, As Represented By The Secretary, Department Of Health And Human Services 1
#16 Stephen Wass Sicpa Holding Sa 1
#16 Paul S. Lebow US Air Force 1

Part of Maryland