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USPTO Patent Rankings Data through Dec 31, 2025
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Robert D. Stream — 9 Patents

HAHach: 8 patents #11 of 214Top 6%
TITeledyne Industries: 1 patents #241 of 517Top 50%
Fort Collins, CO: #541 of 3,421 inventorsTop 20%
Colorado: #5,216 of 40,980 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Robert D. Stream has been granted 9 US patents while listed as an inventor at Hach. The first was granted in 1989 and the most recent in June 1999. Robert D. Stream ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Robert D. Stream in Fort Collins, CO, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5912737 System for verifying the calibration of a turbidimeter Ashim K. Bannerjee 1999-06-15
D402768 Turbidimeter Ernie R. Paoli 1998-12-15
5831727 Bubble elimination from liquid 1998-11-03
5604590 Nephelometer instrument Richard Jared Cooper, Kevin A. Keilbach, Richard P. Kolman, Ernie R. Paoli, Kenneth L. Stutzman 1997-02-18 $2,838,000
5506679 Nephelometer instrument Richard Jared Cooper, Kevin A. Keilbach, Richard P. Kolman, Ernie R. Paoli, Kenneth L. Stutzman 1996-04-09 $3,594,000
D363676 Laboratory nephelometer Mark E. Anderson, Richard Jared Cooper, Ernie R. Paoli 1995-10-31
D363682 Filter holder for laboratory turbidimeter 1995-10-31
D336444 Portable colorimeter Mark E. Anderson, Richard Jared Cooper 1993-06-15
D304231 Subgingival delivery tip for attachment to dental irrigation instruments 1989-10-24