Inventor

Kelvin L. Baumann

Inventor

Holland, MI, US

Overview

34→

Patents

1999–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 34 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein39%

C09KMaterials for miscellaneous applications, not provided for elsewhere26%

C07DHeterocyclic compounds11%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for8%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%

B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles2%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds2%

C09DCoating compositions, e.g. paints, varnishes or lacquers2%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients1%

PatentTitleYear

10,866,479Ultrathin, solution phase electrochromic devices2020 10,781,364Electrochromic media and devices with multiple color states2020 10,774,198Electrochromic thermoplastics, devices, and composites2020 10,539,853Electrochemical devices with plastic substrates2020 10,464,900Electrochromic compounds with improved color stability in their radical states2019 10,466,562Protic-soluble organic electrochromic compounds2019 10,324,350Color excursion mitigation in electrochromic devices2019 10,040,763Electrochromic compounds with improved color stability in their radical states2018 9,939,701Protic-soluble organic electrochromic compounds2018 9,766,528'Electrochemical devices with plastic substrates'2017 9,738,140'Electrochromic devices'2017 9,709,869'Electro-optic system configured to reduce a perceived color change'2017 9,442,342'Electro-optic system configured to reduce a perceived color change'2016 9,096,181'Electro-optic system configured to reduce a perceived color change'2015 8,964,278'Electro-optic system configured to reduce a perceived color change'2015 8,508,832'Electro-optic system configured to reduce a perceived color change'2013 8,228,590'Electro-optic system configured to reduce a perceived color change'2012 7,855,821'Electrochromic compounds and associated media and devices'2010 7,428,091'Electrochromic compounds and associated media and devices'2008 7,031,043'Electrochromic devices having an electron shuttle'2006 6,710,906'Controlled diffusion coefficient electrochromic materials for use in electrochromic mediums and associated electrochromic devices'2004 6,700,693'Electrochromic devices having an electron shuttle'2004 6,614,578'Ultraviolet stabilizing materials having a solublizing moiety'2003 6,560,004'Coupled electrochromic compounds with photostable dication oxidation states'2003 6,445,486'Electroactive materials and beneficial agents having a solubilizing moiety'2002 6,433,914'Color-stabilized electrochromic devices'2002 6,362,914'Electrochromic materials with enhanced ultraviolet stability and devices comprising same'2002 6,249,369'Coupled electrochromic compounds with photostable dication oxidation states'2001 6,242,602'One pot synthesis of 5,10-dihydrophenazine compounds and 5,10-substituted dihydrophenazines'2001 6,193,912'Near infrared-absorbing electrochromic compounds and devices comprising same'2001 6,195,192'Electrochromic materials with enhanced ultraviolet stability'2001 6,037,471'Electrochromic compounds'2000 6,020,987'Electrochromic medium capable of producing a pre-selected color'2000 5,998,617'Electrochromic compounds'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2020Patents assigned to GENTEX CORP (34)· patent assignee history

1999–2020Based in Holland, MI, US· patent location history

2012–2013Patents assigned to BAUMANN KELVIN L (2)· patent assignee history

2012–2013Patents assigned to GUARR THOMAS F (2)· patent assignee history

2012–2013Patents assigned to LUTEN HENRY A (2)· patent assignee history

2012–2013Patents assigned to NEUMAN GEORGE A (2)· patent assignee history

2017–2020Based in Zeeland, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GENTEX CORP	34	1999–2020
BAUMANN KELVIN Lself	2	2012–2013
GUARR THOMAS F	2	2012–2013
LUTEN HENRY A	2	2012–2013
NEUMAN GEORGE A	2	2012–2013

Locations

Location	Patents	Span
Holland, MI, US	31	1999–2020
Zeeland, MI, US	3	2017–2020