Dan Jonathan Kroll — 9 Patents at Hach

Dan Jonathan Kroll has been granted 9 US patents while listed as an inventor at Hach. The first was granted in 2001 and the most recent in August 2025. Dan Jonathan Kroll ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Dan Jonathan Kroll in Fort Collins, CO, US.

Patents per Year

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Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date
12399110	Electrochemical digestion	Vishnu Vardhanan Rajasekharan	2025-08-26
12210007	Electrochemical cell stirring	Corey Alan Salzer	2025-01-28
12163937	Detection of per and polyfluoroalkyl substances using total organic fluoride	Vishnu Vardhanan Rajasekharan, Cary Burton Jackson, Matthew Ryan Salzer	2024-12-10
12108318	Dynamic wireless information transmission	Brian Harmon, Gregory James Lipinski, Joseph Rockstan Williams, Theophilus Brian Mooney, Timothy A. Higgins +2 more	2024-10-01
11595798	Dynamic wireless information transmission	Brian Harmon, Gregory James Lipinski, Joseph Rockstan Williams, Theophilus Brian Mooney, Timothy A. Higgins +2 more	2023-02-28
11029280	Alkalinity sensor	Corey Alan Salzer	2021-06-08
6999898	Classification of deviations in a process	Karl Lewis King, Ziyi Wang	2006-02-14
6576143	Method for the removal of sulfide interference in common tests for arsenic	—	2003-06-10
6180412	Test for chlorine in water	—	2001-01-30

Dan Jonathan Kroll — 9 Patents

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