Kristjan Gottfried has been granted 16 US patents while listed as an inventor at Exponential Technologies . The first was granted in 2013 and the most recent in September 2024. Kristjan Gottfried ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Kristjan Gottfried in Calgary, AB, CA.
Patents per Year Patents granted per year, 2013 to 2024 Bar chart with a peak of 3 patents in 2013. peak 3 2013: 3 patents 2013 2014: 1 patents 2014 2015: 2 patents 2015 2016: 2 patents 2016 2017: 1 patents 2017 2018: 2 patents 2018 2021: 2 patents 2021 2024: 3 patents 2024
Issued Patents All Time
Showing 1–16 of 16 patents
Patent # Title Co-Inventors Date
12076836
Rotary crusher and feeder for ice blasting system
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2024-09-03
12061049
Modular thermoacoustic energy converter
Thomas Steiner , Maarten Johannes Hermanus Elferink
2024-08-13
11904324
Ice blasting machine with dual-mode operation for water ice and dry ice
Foster Coulson
2024-02-20
11168683
Pressure balancing system for a fluid pump
Erik Farrell , Michael Sereda-Mohr
2021-11-09
10890385
Apparatus and system for exchanging heat with a fluid
Thomas Steiner , Michael Peter Hoy , Geoffrey Donald Stalker Archibald , Takao Kanemaru , Briac Medard de Chardon
2021-01-12
10122250
Electromechanical transducer apparatus for converting between mechanical energy and electrical energy
Keith Antonelli , Geoffrey Donald Stalker Archibald , Ryan John Biffard , Douglas Bruce Jelstad , Takao Kanemaru +3 more
2018-11-06
9874097
Shroud for rotary engine
Curtis Patterson , Alejandro Juan
2018-01-23
9664181
Thermoacoustic transducer apparatus including a transmission duct
Thomas Steiner , Briac Medard de Chardon , Ronald Gregory Klopfer
2017-05-30
9447688
Indexed positive displacement rotary motion device
Alejandro Juan , Curtis Patterson , Soheil Farshchian
2016-09-20
9316102
Rotors formed using involute curves
Curtis Patterson , Alejandro Juan
2016-04-19
9121275
Positive displacement expander
Curtis Patterson , Alejandro Juan , Erik Farrell
2015-09-01
9115646
Shroud for rotary engine
Curtis Patterson , Alejandro Juan
2015-08-25
8887592
Spherical involute gear coupling
Curtis Patterson , Alejandro Juan
2014-11-18
8602758
Indexed positive displacement rotary motion device
Alejandro Juan , Curtis Patterson , Soheil Farshchian
2013-12-10
8562318
Multiphase pump with high compression ratio
Alejandro Juan , Curtis Patterson
2013-10-22
8371949
Constant velocity coupling
Curtis Patterson
2013-02-12