CLARK W has a total of 19 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets machines, medical technology and engines, pumps and turbines are CHENGDU DONGFANG KWH ENVIRONMENTAL PROT CATALYSTS CO LTD, QIN LULU and YAO GUANGCHUN.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 9 | |
#2 | United States | 6 | |
#3 | Canada | 2 | |
#4 | New Zealand | 1 | |
#5 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Medical technology | |
#3 | Engines, pumps and turbines | |
#4 | Civil engineering | |
#5 | Control | |
#6 | Chemical engineering | |
#7 | Furniture and games |
# | Technology | |
---|---|---|
#1 | Earth drilling | |
#2 | Syringes | |
#3 | Unspecified technologies | |
#4 | Shaping clay | |
#5 | Rotary-pistons | |
#6 | Chemical or physical processes | |
#7 | Teaching materials | |
#8 | Kitchen equipment | |
#9 | Household appliances | |
#10 | Alarm systems |
# | Name | Total Patents |
---|---|---|
#1 | Clark W | 9 |
#2 | Evans J | 1 |
#3 | Hollenbeck K | 1 |
#4 | Chavis C | 1 |
#5 | Ward R | 1 |
#6 | Fisher Ebenezer | 1 |
Publication | Filing date | Title |
---|---|---|
GB2052246A | Spoons, spatulas, pourers etc. | |
NZ179278A | Moulding branched pipes | |
GB1474192A | Horse riding stirrup safety toe stop | |
US3829851A | Intrusion detection apparatus employing a pressure-differential detector | |
US3833777A | Pre-gapped breaker point assemblies | |
US3853125A | Disposable needleless injector | |
US3765702A | Sway bar for vehicles | |
US3763918A | Hinge frame | |
US3707786A | Method and means of presenting a planetarium display | |
CA1573A | A composition for cattle wash | |
CA1534A | Machine for chipping boiler plate |