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Butcher John W patents

Butcher John W holds 4 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents4
Recent patents0
First publicationJan 6, 2015
Latest publicationNov 21, 2017

Filing trend

Year-over-year patent counts for this assignee.

Filing activity appears stable based on the most recent years.

Patents filed per year
YearPatents
20152
20161
20171
Browse patents by year
YearPatents
20152
20161
20171

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
C07D417/143
A61K31/53773
A61K31/5063
A61P37/082
A61P35/002

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Human Necessities4
Chemistry & Metallurgy4