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Grigsby Jr Robert A patents

Grigsby Jr Robert A holds 4 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents4
Recent patents0
First publicationFeb 3, 2015
Latest publicationMay 31, 2016

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
20162
Browse patents by year
YearPatents
20152
20162

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
B01D53/14932
B01D2252/6062
C02F2103/181
C10G2300/2071
C02F2103/3431

Technology areas

Mapped technology topics for this assignee.