Patent Explorer

Browse, filter, and analyze 43 patents across global jurisdictions.

📥 Export to Excel (.xlsx) + Ingest New Patent
Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US3588838A Business event display device AMF Inc Expired / Lapsed 1968-04-05 1971-06-28 1988-04-05 0.0 yrs 0
US3405047A Electrodialysis method and apparatus having a series of cascades AMF Inc Expired / Lapsed 1967-07-10 1968-10-08 1987-07-10 0.0 yrs 0
US3366800A Automatic recycling time switch with compensating mechanism AMF Inc Expired / Lapsed 1965-02-19 1968-01-30 1985-02-19 0.0 yrs 0
US3357341A Fryer scale AMF Inc Expired / Lapsed 1965-10-20 1967-12-12 1985-10-20 0.0 yrs 1
US3354385A Electromagnetic inspection system utilizing search coils nested within one another AMF Inc Expired / Lapsed 1964-04-29 1967-11-21 1984-04-29 0.0 yrs 2
US3332278A Ultrasonic flaw detection AMF Inc Expired / Lapsed 1963-07-15 1967-07-25 1983-07-15 0.0 yrs 2
US3324281A Automatic positioning apparatus AMF Inc Expired / Lapsed 1963-01-07 1967-06-06 1983-01-07 0.0 yrs 2
US3314049A Electronic ordering, computing and bill-printing system AMF Inc Expired / Lapsed 1963-07-23 1967-04-11 1983-07-23 0.0 yrs 2
US3298006A Tape transcriber and transport mechanism therefor AMF Inc Expired / Lapsed 1962-12-19 1967-01-10 1982-12-19 0.0 yrs 2
US3285059A Ultrasonic testing apparatus AMF Inc Expired / Lapsed 1965-10-21 1966-11-15 1985-10-21 0.0 yrs 2
US3265946A Plural tape fed motor control system with tape sequence controller AMF Inc Expired / Lapsed 1961-08-03 1966-08-09 1981-08-03 0.0 yrs 2
US3257334A Electrodialysis membrane from perhalogenated fluorocarbons AMF Inc Expired / Lapsed 1963-01-21 1966-06-21 1983-01-21 0.0 yrs 2
US3230024A Self-leveling device AMF Inc Expired / Lapsed 1963-10-11 1966-01-18 1983-10-11 0.0 yrs 2
US3226626A Electrical control systems AMF Inc Expired / Lapsed 1961-12-15 1965-12-28 1981-12-15 0.0 yrs 2
US3219573A Multiple chamber electrodialysis apparatus AMF Inc Expired / Lapsed 1963-05-01 1965-11-23 1983-05-01 0.0 yrs 2
US3212649A Machine for performing work AMF Inc Expired / Lapsed 1960-07-15 1965-10-19 1980-07-15 0.0 yrs 2
US3198989A Electronic switch device with commutating capacitor AMF Inc Expired / Lapsed 1961-03-30 1965-08-03 1981-03-30 0.0 yrs 2
US3186924A Flash evaporator AMF Inc Expired / Lapsed 1961-10-12 1965-06-01 1981-10-12 0.0 yrs 2
CA700296A Membranes AMF Inc Expired / Lapsed — 1964-12-22 1981-12-22 0.0 yrs 0
US2977172A Self leveling storing and dispensing apparatus AMF Inc Expired / Lapsed 1959-04-07 1961-03-28 1979-04-07 0.0 yrs 0
Showing 1 to 20 of 43 patents
Page 1 of 3 Next →