Inventor
Shanna D. Knights
Inventor
Burnaby, CA
Overview
16→
Patents
2001–2019
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy41%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution41%
B01DSeparation3%
C08JWorking-up3%
F02BInternal-combustion piston engines3%
F02GHot gas or combustion-product positive-displacement engine plants3%
F17CVessels for containing or storing compressed, liquefied or solidified gases3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
Y02TClimate change mitigation technologies related to transportation3%
PatentTitleYear
10,205,173Cathode design for electrochemical cells20199,099,704'Methods of operating fuel cell stacks and systems'20158,015,808'Power plant with energy recovery from fuel storage'20117,537,857'Reduced degradation of ion-exchange membranes in electrochemical fuel cells'20097,235,315'Electrochemical fuel cell stack having a plurality of integrated voltage reversal protection diodes'20077,014,935'Solid polymer electrolyte fuel cell stack having specific corrosion resistant cells'20066,936,370'Solid polymer fuel cell with improved voltage reversal tolerance'20056,866,950'Methods and apparatuses for gas separation by pressure swing adsorption with partial gas product feed to fuel cell power source'20056,841,285'Impregnation of ion-exchange membranes to improve electrochemical fuel cell performance'20056,756,149'Electrochemical fuel cell with non-uniform fluid flow design'20046,673,480'Sensor cell for an electrochemical fuel cell stack'20046,517,962'Fuel cell anode structures for voltage reversal tolerance'20036,500,572'Method for operating fuel cells on impure fuels'20026,492,043'Method and apparatus for detecting a leak within a fuel cell'20026,461,751'Method and apparatus for operating a fuel cell'20026,210,820'Method for operating fuel cells on impure fuels'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2007Patents assigned to BALLARD POWER SYSTEMS (10)· patent assignee history
2001–2002Based in Vancouver, CA· patent location history
2002–2011Based in Burnaby, CA· patent location history
2005Patents assigned to JOHNSON MATTHEY PLC (1)· patent assignee history
2009–2019Patents assigned to BDF IP HOLDINGS LTD (3)· patent assignee history
2011Patents assigned to G4 INSIGHTS INC (1)· patent assignee history
2015Patents assigned to JIA NENGYOU (1)· patent assignee history
2015–2019Based in North Vancouver, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BALLARD POWER SYSTEMS | 10 | 2001–2007 |
| BDF IP HOLDINGS LTD | 3 | 2009–2019 |
| G4 INSIGHTS INC | 1 | 2011 |
| JIA NENGYOU | 1 | 2015 |
| JOHNSON MATTHEY PLC | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Burnaby, CA | 12 | 2002–2011 |
| North Vancouver, CA | 2 | 2015–2019 |
| Vancouver, CA | 2 | 2001–2002 |