SN

Steven T. Nielsen

BI Beckman Instruments: 6 patents #34 of 431Top 8%
RI Rainin Instrument: 6 patents #6 of 37Top 20%
📍 Sunnyvale, CA: #1,814 of 14,302 inventorsTop 15%
🗺 California: #40,325 of 386,348 inventorsTop 15%
Overall (All Time): #327,334 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
6967004 Pipette with improved pipette tip and mounting shaft Kenneth Rainin, James S. Petrek 2005-11-22
6737023 Pipette with improved pipette tip mounting shaft Christopher Kelly, James S. Petrek, Kenneth Rainin 2004-05-18
D448853 Pipette tip Kenneth Rainin, Christopher Kelly, James S. Petrek 2001-10-02
D438981 Pipette tip Kenneth Rainin, Christopher Kelly, James S. Petrek 2001-03-13
D437940 Pipette tip Kenneth Rainin, Christopher Kelly, James S. Petrek 2001-02-20
6168761 Pipette with improved pipette tip and mounting shaft Christopher Kelly, James S. Petrek, Kenneth Rainin 2001-01-02
4990129 Swinging bucket ultracentrifuge rotor, sample tube and adapter 1991-02-05
4690670 Centrifuge tube having reusable seal 1987-09-01
4537320 Centrifuge tube having removable crown and swage fitting 1985-08-27
4511349 Ultracentrifuge tube with multiple chambers Carleton C. Lee 1985-04-16
4427406 Sectional shaped liner for a centrifuge rotor 1984-01-24
4360150 Centrifuge apparatus for reorienting gradients Kenzo Ishimaru 1982-11-23
4358420 Method of making a thin wall centrifuge tube with improved polymer properties Robert S. Carey 1982-11-09
4304356 Supporting cap for sealed centrifuge tube Steven J. Chulay 1981-12-08
4301963 Integral one piece centrifuge tube 1981-11-24