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Inventor

Forrest R. Blackburn

Inventor
Monroeville, PA, US

Overview

28→
Patents
2007–2018
Patent span
Physics
Primary field (CPC G)

Patents· 28 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus16%
C09KMaterials for miscellaneous applications, not provided for elsewhere14%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments12%
C07DHeterocyclic compounds11%
G03CPhotosensitive materials for photographic purposes11%
Y10TTechnical subjects covered by former us classification8%
B29DProducing particular articles from plastics or from substances in a plastic state2%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them2%
G02CSpectacles1%
PatentTitleYear
9,968,955Modular robotic assembly20189,128,343'Method of making an optical element having an electrochromic apodized aperture'20158,734,033'Optical mechanism with indexing stage with at least one fixed diameter apodized aperture and method of making same'20148,547,625'Photochromic optical articles prepared with reversible thermochromic materials'20138,373,919'Optical element having an apodized aperture'20138,153,344'Methods for producing photosensitive microparticles, aqueous compositions thereof and articles prepared therewith'20128,089,678'Clear to circular polarizing photochromic devices and methods of making the same'20128,077,373'Clear to circular polarizing photochromic devices'20117,978,391'Polarizing, photochromic devices and methods of making the same'20117,911,676'Photochromic optical articles prepared with reversible thermochromic materials'20117,847,998'Polarizing, photochromic devices and methods of making the same'20107,582,749'Photochromic compounds'20097,579,022'Photochromic compounds'20097,560,124'Photochromic compounds'20097,557,206'Photochromic compounds'20097,505,189'Polarizing, photochromic devices and methods of making the same'20097,471,436'Polarizing, photochromic devices and methods of making the same'20087,466,469'Polarizing, photochromic devices and methods of making the same'20087,457,025'Polarizing, photochromic devices and methods of making the same'20087,429,105'Polarizing, photochromic devices and methods of making the same'20087,394,585'Polarizing, photochromic devices and methods of making the same'20087,359,104'Polarizing, photochromic devices and methods of making the same'20087,349,137'Polarizing, photochromic devices and methods of making the same'20087,349,138'Polarizing, photochromic devices and methods of making the same'20087,342,112'Photochromic compounds'20087,320,826'Photochromic articles with reduced temperature dependency and methods for preparation'20087,286,275'Polarizing, photochromic devices and methods of making the same'20077,256,921'Polarizing, photochromic devices and methods of making the same'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2013Patents assigned to TRANSITIONS OPTICAL INC (15)· patent assignee history
2007–2015Based in Monroeville, PA, US· patent location history
2008–2015Patents assigned to PPG IND OHIO INC (12)· patent assignee history
2008Based in Allegheny County, PA, US· patent location history
2011–2015Patents assigned to BLACKBURN FORREST R (6)· patent assignee history
2011–2015Patents assigned to FOLLER PETER C (4)· patent assignee history
2011–2012Patents assigned to FURAR ELIZABETH (2)· patent assignee history
2018Based in Loveland, CO, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TRANSITIONS OPTICAL INC152007–2013
PPG IND OHIO INC122008–2015
BLACKBURN FORREST Rself62011–2015
FOLLER PETER C42011–2015
FURAR ELIZABETH22011–2012
Locations
LocationPatentsSpan
Monroeville, Pennsylvania, US262007–2015
Loveland, CO, US12018
Allegheny County, Pennsylvania, US12008