Duphorne Darin H patents

Duphorne Darin H holds 7 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents7
Recent patents0
First publicationJan 15, 2015
Latest publicationJul 17, 2018

Filing trend

Year-over-year patent counts for this assignee.

Filing activity appears to be declining based on the most recent years.

Patents filed per year
YearPatents
20152
20162
20172
20181
Browse patents by year
YearPatents
20152
20162
20172
20181

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPCPatents
E21B43/123
E21B47/0052
E21B47/1172
E21B33/132
E21B47/122

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Fixed Constructions7
Physics2
Mechanical Engineering1

Frequently asked questions

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

How many patents does Duphorne Darin H have in patentsdb?
Duphorne Darin H is linked to 7 publications as assignee in our database.
What technology areas does Duphorne Darin H patent most?
Top mapped technology areas by patent count: Fixed Constructions (7); Physics (2); Mechanical Engineering (1).
Is Duphorne Darin H's patent activity growing?
In our data, assignee counts were 2 in 2017 and 1 in 2018 (lower year over year).
What are recent patents assigned to Duphorne Darin H?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.