Inventor
Thomas A. Niezgoda
Inventor
Kentwood, MI, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation23%
F24FAir-conditioning20%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
G10HElectrophonic musical instruments7%
H01HElectric switches7%
LOC237%
A45DHairdressing or shaving equipment3%
A61FFilters implantable into blood vessels3%
A61MDevices for introducing media into, or onto, the body3%
B05CApparatus for applying fluent materials to surfaces, in general3%
PatentTitleYear
10,571,394Control methods for setting a reference voltage in an air treatment system20209,568,210'Control methods for setting a reference voltage in an air treatment system'20178,882,378'Heating and dispenser system'20148,689,603'Control methods for setting a reference voltage in an air treatment system'20148,092,575'Control methods for tracking filter life in an air treatment system'20128,021,469'Control methods for an air treatment system'20117,888,614'Control panel assembly'20117,629,548'Control panel assembly'2009D0503972'Air treatment system'2005D0502757'Water treatment system'20055,925,172'Air treatment system'19994,918,426'Method and apparatus for sensing fluid flow volume to indicate end of filter life'19904,393,740'Programmable tone generator'19834,333,377'Tone generation system for electronic musical instrument'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1983Based in DeKalb, IL, US· patent location history
1990–1999Patents assigned to AMWAY CORP (2)· patent assignee history
1990–2020Based in Kentwood, MI, US· patent location history
2005–2020Patents assigned to ACCESS BUSINESS GROUP INT LLC (10)· patent assignee history
2012–2014Patents assigned to NIEZGODA THOMAS A (3)· patent assignee history
2012–2014Patents assigned to EVANS GREGORY K (2)· patent assignee history
2012–2014Patents assigned to LEPPIEN THOMAS J (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ACCESS BUSINESS GROUP INT LLC | 10 | 2005–2020 |
| NIEZGODA THOMAS Aself | 3 | 2012–2014 |
| AMWAY CORP | 2 | 1990–1999 |
| EVANS GREGORY K | 2 | 2012–2014 |
| LEPPIEN THOMAS J | 2 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kentwood, MI, US | 12 | 1990–2020 |
| DeKalb, Illinois, US | 2 | 1982–1983 |