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Protecting arrangements against rupture or overwinding of the mainspring located in the barrel or attached to the barrel (in connection with keys or the like G04B3/06, G04B3/10; in connection with automatic winding devices G04B5/24 {; protecting arrangements in which the spring and the spring cylinder are connected by friction G04B1/185; protecting arrangements G04B9/02; calibers with arrangements affording protection of the clockwork against damage as a consequence of a rupture of the mainspring G04B33/16; electric winding arrangements with protection against overwinding of mechanical clockworks G04C1/10; driving mechanisms for gramophones G11B19/22, G11B19/28})

Protecting arrangements against rupture or overwinding of the mainspring located in the barrel or attached to the barrel (in connection with keys or the like G04B3/06, G04B3/10; in connection with automatic winding devices G04B5/24 {; protecting arrangements in which the spring and the spring cylinder are connected by friction G04B1/185; protecting arrangements G04B9/02; calibers with arrangements affording protection of the clockwork against damage as a consequence of a rupture of the mainspring G04B33/16; electric winding arrangements with protection against overwinding of mechanical clockworks G04C1/10; driving mechanisms for gramophones G11B19/22, G11B19/28}) · Cooperative Patent Classification (CPC)

Computing, optics, measurement, and control technologies.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeG04B1/20
Official titleProtecting arrangements against rupture or overwinding of the mainspring located in the barrel or attached to the barrel (in connection with keys or the like G04B3/06, G04B3/10; in connection with automatic winding devices G04B5/24 {; protecting arrangements in which the spring and the spring cylinder are connected by friction G04B1/185; protecting arrangements G04B9/02; calibers with arrangements affording protection of the clockwork against damage as a consequence of a rupture of the mainspring G04B33/16; electric winding arrangements with protection against overwinding of mechanical clockworks G04C1/10; driving mechanisms for gramophones G11B19/22, G11B19/28})
Display labelProtecting arrangements against rupture or overwinding of the mainspring located in the barrel or attached to the barrel (in connection with keys or the like G04B3/06, G04B3/10; in connection with automatic winding devices G04B5/24 {; protecting arrangements in which the spring and the spring cylinder are connected by friction G04B1/185; protecting arrangements G04B9/02; calibers with arrangements affording protection of the clockwork against damage as a consequence of a rupture of the mainspring G04B33/16; electric winding arrangements with protection against overwinding of mechanical clockworks G04C1/10; driving mechanisms for gramophones G11B19/22, G11B19/28})
Total patents11

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20151
20161
20171
20181
20192
20221
20244

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.