using electrochromic devices

using electrochromic devices · Cooperative Patent Classification (CPC)

Computing, optics, measurement, and control technologies.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeG09G3/19
Official titleusing electrochromic devices
Display labelusing electrochromic devices
Total patents115

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20155
20167
20178
201815
201916
202010
202113
20227
202320
20248
20252
20264

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC G09G3/19?
CPC G09G3/19 is the Cooperative Patent Classification code for “using electrochromic devices.”
How many patents are filed under CPC G09G3/19 (using electrochromic devices)?
Our database includes 115 publications tagged with this CPC code.
Is patent activity under CPC G09G3/19 growing?
Publication counts under this code: 8 in 2024 vs 2 in 2025 (latest complete years).