Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ray A. Weigand — 5 Patents

Abbott: 5 patents #1,526 of 5,509Top 30%
Libertyville, IL: #264 of 868 inventorsTop 35%
Illinois: #18,025 of 84,256 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Ray A. Weigand has been granted 5 US patents while listed as an inventor at Abbott. The first was granted in 1995 and the most recent in March 2010. Ray A. Weigand ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Ray A. Weigand in Libertyville, IL, US.

Patents per Year

Patents granted per year, 1995 to 2010Bar chart with a peak of 2 patents in 2008.peak 21995: 1 patents19952007: 1 patents20072008: 2 patents20082010: 1 patents2010

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7674623 Method of stabilizing human natriuretic peptides Robert G. Parsons, David J. Daghfal, Cherie A. Lipowsky, Judith A. Friese 2010-03-09 $82,715,000
7445933 Stable calibrators or controls for measuring human natriuretic peptides Judith A. Friese, Matthew S. Matias 2008-11-04 $147,328,000
7351586 Method of making stable calibrators or controls for measuring human natriuretic peptides Judith A. Friese, Matthew S. Matias 2008-04-01 $69,392,000
7291501 Stable compositions for measuring human natriuretic peptides Robert G. Parsons, David J. Daghfal, Cherie A. Lipowsky, Judith A. Friese 2007-11-06 $172,422,000
5411894 Method of using tissue and cell adhesive preparations for biological test systems Darlene L. Cotter, Barbara L. Abry 1995-05-02 $41,318,000