Doug Kellam — 5 Patents at Zero E Technologies

Doug Kellam has been granted 5 US patents while listed as an inventor at Zero E Technologies. The first was granted in 2018 and the most recent in October 2019. Doug Kellam ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Doug Kellam in Oak Brook, IL, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
10435313	Systems, devices, and methods of water filtration	Rajan G. Rajan, Liu Wei, Ajit Dighe, Charles Lieppe	2019-10-08
D840736	Glass water dispenser	Anthony Petruzzi	2019-02-19
10099942	Systems and methods of eliminating filter air locks	Rajan G. Rajan, Liu Wei	2018-10-16
9994459	Gravity-fed and dual ion-exchange water filtration bottle	Byron Stanger, Rajan G. Rajan, Ajit Dighe, Charles Lieppe	2018-06-12
D809855	Pitcher lid	—	2018-02-13

Doug Kellam — 5 Patents

Issued Patents All Time

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