Inventor

David R. Lott

Inventor
Spokane, WA, US

Overview

25→
Patents
2000–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 25 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 energy39%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution39%
H01GCapacitors11%
H04LTransmission of digital information, e.g. telegraphic communication4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
A61BDiagnosis2%
A61MDevices for introducing media into, or onto, the body2%
G06FElectric digital data processing2%
PatentTitleYear
10,957,929Fuel cell stack202110,391,271Apparatus for performing a cricothyrotomy/tracheotomy and method therefor20199,293,778'Proton exchange membrane fuel cell'20169,012,101'Fuel cell stacks'20158,597,846'Proton exchange membrane fuel cell stack and fuel cell stack module'20138,192,889'Proton exchange membrane fuel cell stack and fuel cell stack module'20128,026,020'Proton exchange membrane fuel cell stack and fuel cell stack module'20118,003,274'Direct liquid fuel cell'20117,925,886'Encryption output data generation method and system'20117,722,972'Apparatus and method for controlling a fuel cell using the rate of voltage recovery'20107,694,147'Hashing method and system'2010RE039556'Fuel cell and method for controlling same'20077,049,017'Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell'20066,982,129'Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell'20066,828,050'Fuel cell'20046,811,906'Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell'20046,805,987'Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell'20046,773,839'Fuel cell power systems and methods of controlling a fuel cell power system'20046,620,538'Method and apparatus for monitoring equivalent series resistance and for shunting a fuel cell'20036,468,682'Ion exchange membrane fuel cell'20026,387,556'Fuel cell power systems and methods of controlling a fuel cell power system'20026,383,556'Method for forming a membrane electrode diffusion assembly for use in an ion exchange membrane fuel cell'20026,218,035'Proton exchange membrane fuel cell power system'20016,096,449'Fuel cell and method for controlling same'20006,030,718'Proton exchange membrane fuel cell power system'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2021Based in Spokane, WA, US· patent location history
2001–2003Patents assigned to AVISTA LAB INC (5)· patent assignee history
2004–2015Patents assigned to RELION INC (13)· patent assignee history
2010–2011Based in Thornton, CO, US· patent location history
2012–2016Patents assigned to LOTT DAVID R (3)· patent assignee history
2012–2016Patents assigned to SPINK SCOTT A (3)· patent assignee history
2012–2016Patents assigned to WRIGHT MATTHEW M (3)· patent assignee history
2019Based in Scottsdale, AZ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RELION INC132004–2015
AVISTA LAB INC52001–2003
LOTT DAVID Rself32012–2016
SPINK SCOTT A32012–2016
WRIGHT MATTHEW M32012–2016
Locations
LocationPatentsSpan
Spokane, Washington, US222000–2021
Thornton, CO, US22010–2011
Scottsdale, AZ, US12019