How many patents does O & M Halyard Inc have in patentsdb?

O & M Halyard Inc is linked to 169 publications as assignee in our database.

What technology areas does O & M Halyard Inc patent most?

Top mapped technology areas by patent count: Human Necessities (138); Operations & Transport (101); Textiles & Paper (24).

In our data, assignee counts were 12 in 2024 and 14 in 2025 (higher year over year).

See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.

O & M Halyard Inc holds 169 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity over the last five years is declining.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Human Necessities	138
Operations & Transport	101
Textiles & Paper	24
Physics	22
Chemistry & Metallurgy	14
Cross-Sectional Technologies	10
Mechanical Engineering	5

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

How many patents does O & M Halyard Inc have in patentsdb?: O & M Halyard Inc is linked to 169 publications as assignee in our database.
What technology areas does O & M Halyard Inc patent most?: Top mapped technology areas by patent count: Human Necessities (138); Operations & Transport (101); Textiles & Paper (24).
Is O & M Halyard Inc's patent activity growing?: In our data, assignee counts were 12 in 2024 and 14 in 2025 (higher year over year).
What are recent patents assigned to O & M Halyard Inc?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.