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Inventor

William Van Heyst

Inventor
Kitchener, CA

Overview

1→
Patents
2017
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 1 as inventor

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

B01Dprimary
B01DSeparation33%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like33%
E01FAdditional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like33%
PatentTitleYear
9,732,477'Apparatus and method for controlling airborne pollution'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to ENVISION SQ INC (1)· patent assignee history
2017Based in Kitchener, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ENVISION SQ INC12017
Locations
LocationPatentsSpan
Kitchener, CA12017