Top Inventors in Rockford, IL | Patent Leaderboard

Rockford, IL ranks #546 worldwide for total patents filed all time, with 6,231 patents from 1,291 inventors. Leading employers of inventors based in Rockford, IL include Hamilton Sundstrand, Trion Industries, Sundstrand. That works out to 41.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 1,291 inventors

Rank	Inventor	Primary Company	Patents
1	Gregory I. Rozman	Hamilton Sundstrand	182
2	Thomas O. Nagel	Trion Industries	167
3	Steven J. Moss	Hamilton Sundstrand	70
#4	Andreas C. Koenig	Hamilton Sundstrand	66
#5	Vietson M. Nguyen	Sundstrand	55
#6	James A. Duggan	Dana Limited	50
#6	Andrew P. Grosskopf	Hamilton Sundstrand	50
#6	David Everett Russ	Hamilton Sundstrand	50
#6	Stanley C. Valiulis	Southern Imperial	50
#10	Eric Karlen	Hamilton Sundstrand	47
#11	Paul M. Fowler	Sage Products	44
#11	Jae Kwang Lee	Samsung	44
#11	Thomas E. Valiulis	Southern Imperial	44
#14	P. John Dhyanchand	Sundstrand	42
#15	Thomas A. Sutrina	Sundstrand	41
#16	Matthew Allen Slayter	Hamilton Sundstrand	39
#17	David J. Lang	Sundstrand	35
#17	Donal E. Baker	Westinghouse Electric	35
#17	Vijay K. Maddali	Hamilton Sundstrand	35
#17	Timothy F. Glennon	Sundstrand	35
#21	Todd A. Spierling	Hamilton Sundstrand	34
#22	George Solowiejko	J.L. Clark	33
#22	Sampat Shekhawat	Sundstrand	33
#22	William Louis Wentland	Hamilton Sundstrand	33
#22	Mark A. Pondelick	Evac International Oy	33
#26	Edward D. Adkins	Nomis	30
#26	Thao Hoang	B/E Aerospace	30
#28	Stephen B. Crain	Crain Enterprises	29
#29	Shin Katsumata	Hamilton Sundstrand	28
#29	Waleed M. Said	Hamilton Sundstrand	28
#29	Steven A. Heitz	Hamilton Sundstrand	28
#29	Jeffrey J. Plummer	Greenlee Texron	28
#33	Surbhi Desai	Pierce Biotechnology	27
#34	J. Gavin MacDonald	—	26
#35	Jeffrey D. Metcalf	Sundstrand	24
#35	Robert Scott Downing	Hamilton Sundstrand	24
#35	Kent Weber	Sundstrand	24
#35	Richard E. Niggemann	Sundstrand	24
#39	Jeffrey T. Wavering	Hamilton Sundstrand	23
#39	Mahesh J. Shah	Hamilton Sundstrand	23
#39	Craig R. Legros	Hamilton Sundstrand	23
#39	David G. Bannon	Hamilton Sundstrand	23
#43	Keith E. Short	Hamilton Sundstrand	22
#44	John Charles Rogers	Yaskawa America	21
#44	Rodney Lake	Eight Plus Ventures	21
#46	Joshua D. West	Estwing Manufacturing Company	20
#46	Ronald D. Boesch	—	20
#46	John Horowy	Hamilton Sundstrand	20
#46	Mark Hamilton Severson	Hamilton Sundstrand	20
#46	Keith C. Eden	Fasteners For Retail	20

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