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USPTO Patent Rankings Data through Dec 31, 2025
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Robert A. O'Brien — 2 Patents

BKBasf K&F: 1 patents #9 of 17Top 55%
Nutley, NJ: #98 of 238 inventorsTop 45%
New Jersey: #30,063 of 69,400 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert A. O'Brien has been granted 2 US patents while listed as an inventor at Basf K&F. The first was granted in 1991 and the most recent in June 1996. Robert A. O'Brien ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert A. O'Brien in Nutley, NJ, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5523292 Method of preventing restenosis following coronary angioplasty Robert S. Schwartz 1996-06-04
5030656 Methods of using compositions comprising (s)-emopamil for use in treating spinal cord trauma Steven K. Salzman 1991-07-09