• Technology trends
  • Patent search
  • Sign In
  • Sign Up
Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
Load children
B41L
APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
Load children
1/00
Devices for performing operations in connection with manifolding by means of pressure-sensitive layers or intermediaries, e.g. carbons; Accessories for manifolding purposes
Load children Filter patents View analytics View as hierarchy
B41L1/20
Manifolding assemblies, e.g. book-like assemblies
Load children Filter patents View analytics View as hierarchy
B41L1/22
made up of single sheets or forms
Load children Filter patents View analytics View as hierarchy