NAT RES DEV
NAT RES DEActive Patents
0
Total Holdings
43
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB2170127A | Orthopaedic instruments | Expired / Lapsed | 1986-01-22 | — | 1 | Details |
| GB2073024A | Antimicrobial Surgical Implants | Expired / Lapsed | 1981-03-26 | — | 51 | Details |
| GB1558965A | Orthopaedic stables | Expired / Lapsed | 1975-09-05 | — | 7 | Details |
| GB1385319A | Enzyme preparations | Expired / Lapsed | 1972-06-19 | — | 0 | Details |
| DE2131422A1 | Correction part to be inserted into the body | Expired / Lapsed | 1971-06-24 | — | 0 | Details |
| GB1356386A | Artery entry tool | Expired / Lapsed | 1970-06-03 | — | 0 | Details |
| GB1315845A | Prosthetic cardiac valve | Expired / Lapsed | 1970-05-12 | — | 0 | Details |
| GB1235321A | Improvements in or relating to drills for clearing obstruct… | Expired / Lapsed | 1968-01-30 | — | 0 | Details |
| GB1241292A | Devices for correcting scoliotic curves | Expired / Lapsed | 1967-09-29 | — | 0 | Details |
| DE1541151A1 | Fastening element to be inserted into the body for hip surg… | Expired / Lapsed | 1966-09-15 | — | 0 | Details |
| GB1205743A | Surgical dilator | Expired / Lapsed | 1966-07-15 | — | 0 | Details |
| GB1165704A | Elektromagnetic Control Apparatus | Expired / Lapsed | 1965-08-27 | — | 0 | Details |
| GB1143403A | Apparatus for supplying carbon dioxide to growing plants | Expired / Lapsed | 1965-02-04 | — | 0 | Details |
| GB1076991A | Measurement of linear distances | Expired / Lapsed | 1964-07-17 | — | 0 | Details |
| GB1035136A | Improvements in and relating to the control of water suppli… | Expired / Lapsed | 1964-06-04 | — | 0 | Details |
| GB1091282A | Sutures | Expired / Lapsed | 1963-07-09 | — | 0 | Details |
| GB925541A | Improvements in or relating to ultrasonic flowmeters | Expired / Lapsed | 1959-01-22 | — | 0 | Details |
| GB847396A | Improvements in or relating to marking or centre punches | Expired / Lapsed | 1957-08-30 | — | 0 | Details |
| GB759038A | Improvements in and relating to high frequency heating appa… | Expired / Lapsed | 1953-09-21 | — | 0 | Details |
| GB783086A | Improvements in or relating to electronic digital computing… | Expired / Lapsed | 1952-12-22 | — | 0 | Details |
| GB707458A | Improvements in or relating to multi-electrode gaseous-disc… | Expired / Lapsed | 1951-02-24 | — | 0 | Details |
| GB733473A | Improvements relating to breathing apparatus | Expired / Lapsed | 1951-01-10 | — | 0 | Details |
| GB742525A | Improvements in or relating to electronic digital computing… | Expired / Lapsed | 1950-05-18 | — | 0 | Details |
| GB686246A | Improvements in or relating to the manufacture of ceramic m… | Expired / Lapsed | 1949-11-30 | — | 0 | Details |
| GB734073A | Improvements in or relating to electronic digital computing… | Expired / Lapsed | 1949-06-22 | — | 0 | Details |
| GB705479A | Electronic digital computing devices | Expired / Lapsed | 1949-01-31 | — | 0 | Details |
| US3665302A | Methods and apparatus for determining the condition of food | Expired / Lapsed | 1970-02-19 | 1972-05-23 | 16 | Details |
| US3646929A | Female incontinence device | Expired / Lapsed | 1969-12-09 | 1972-03-07 | 6 | Details |
| US3643076A | Process controller | Expired / Lapsed | 1969-09-03 | 1972-02-15 | 14 | Details |
| US3631438A | Apnoea alarms | Expired / Lapsed | 1969-09-30 | 1971-12-28 | 5 | Details |
| US3621838A | Therapeutic spectacles | Expired / Lapsed | 1970-03-26 | 1971-11-23 | 0 | Details |
| US3619371A | Production of a polymeric matrix having a biologically acti… | Expired / Lapsed | 1968-06-26 | 1971-11-09 | 19 | Details |
| US3614953A | Drills for clearing obstructions in arteries | Expired / Lapsed | 1969-01-21 | 1971-10-26 | 0 | Details |
| US3612814A | Cutting processes employing a laser | Expired / Lapsed | 1970-01-06 | 1971-10-12 | 8 | Details |
| US3608729A | Disposable dialyser pack with adsorbent | Expired / Lapsed | 1968-09-27 | 1971-09-28 | 10 | Details |
| US3563634A | System and apparatus for improving the contrast of or for t… | Expired / Lapsed | 1967-12-14 | 1971-02-16 | 0 | Details |
| US3555346A | Vacuum tubes | Expired / Lapsed | 1968-02-05 | 1971-01-12 | 10 | Details |
| FR1232113A | Flowmeters | Expired / Lapsed | 1959-08-06 | 1960-10-05 | 0 | Details |
| US2740091A | Means for measuring time intervals | Expired / Lapsed | 1953-03-02 | 1956-03-27 | 0 | Details |
| FR1106950A | Improvements to electronic arithmetic calculating machines | Expired / Lapsed | 1954-08-27 | 1955-12-27 | 0 | Details |
| FR1099467A | Improvements to purely digital electronic calculating machi… | Expired / Lapsed | 1953-12-22 | 1955-09-06 | 0 | Details |
| US2664555A | Multielectrode gaseous-discharge tube circuits | Expired / Lapsed | 1952-02-21 | 1953-12-29 | 0 | Details |
| US2661902A | Apparatus for counting microscopic particles | Expired / Lapsed | 1951-01-10 | 1953-12-08 | 0 | Details |