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Inventor

DOUGLAS WEIR

Inventor
US

Overview

2→
Patents
2022–2023
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B32Bprimary
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form25%
C04BLime, magnesia25%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates25%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein25%
PatentTitleYear
11,780,777Electrochromic device including lithium-rich anti-perovskite material202311,299,429Electrochromic device including lithium-rich anti-perovskite material2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to HELIOTROPE TECH INC (1)· patent assignee history
2022–2023Based in US· patent location history
2023Patents assigned to HIVISQ TECH SOCIEDAD LIMITADA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HELIOTROPE TECH INC12022
HIVISQ TECH SOCIEDAD LIMITADA12023
Locations
LocationPatentsSpan
US22022–2023