How many patents does Guill Tool & Eng Co Inc have in patentsdb?

Guill Tool & Eng Co Inc is linked to 76 publications as assignee in our database.

What technology areas does Guill Tool & Eng Co Inc patent most?

Top mapped technology areas by patent count: Operations & Transport (71); Cross-Sectional Technologies (38); Electricity (20).

In our data, assignee counts were 4 in 2024 and 3 in 2025 (lower year over year).

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

Guill Tool & Eng Co Inc holds 76 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 rapidly declining.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Operations & Transport	71
Cross-Sectional Technologies	38
Electricity	20
Physics	10
Chemistry & Metallurgy	8
Mechanical Engineering	7
Human Necessities	6

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

How many patents does Guill Tool & Eng Co Inc have in patentsdb?: Guill Tool & Eng Co Inc is linked to 76 publications as assignee in our database.
What technology areas does Guill Tool & Eng Co Inc patent most?: Top mapped technology areas by patent count: Operations & Transport (71); Cross-Sectional Technologies (38); Electricity (20).
Is Guill Tool & Eng Co Inc's patent activity growing?: In our data, assignee counts were 4 in 2024 and 3 in 2025 (lower year over year).
What are recent patents assigned to Guill Tool & Eng Co Inc?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.