Celgard Llc patents

Celgard Llc holds 286 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents286
Recent patents109
First publicationFeb 26, 2015
Latest publicationMar 10, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201511
201615
201717
201814
201920
202032
202137
202216
202339
202446
202532
20267
Browse patents by year
YearPatents
201511
201615
201717
201814
201920
202032
202137
202216
202339
202446
202532
20267

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Technology areas

Mapped technology topics for this assignee.

Frequently asked questions

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

How many patents does Celgard Llc have in patentsdb?
Celgard Llc is linked to 286 publications as assignee in our database.
What technology areas does Celgard Llc patent most?
Top mapped technology areas by patent count: Cross-Sectional Technologies (261); Electricity (256); Operations & Transport (156).
Is Celgard Llc's patent activity growing?
In our data, assignee counts were 46 in 2024 and 32 in 2025 (lower year over year).
What are recent patents assigned to Celgard Llc?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.