NAT WASHBOARD COMPANY has a total of 14 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States and Canada. Its main competitors in its focus markets consumer goods are TIANJIN SHIYIN HUIXIN SCIENCE & TECHNOLOGY CO LTD, SUZHOU MURENZI METAL MATERIAL SCIENCE & TECHNOLOGY CO LTD and HANGZHOU SANHUAJIA ELECTROTHERMAL MAN SYSTEM CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 5 |
# | Industry | |
---|---|---|
#1 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Laundering textiles |
# | Name | Total Patents |
---|---|---|
#1 | Gilbert Charles T | 6 |
#2 | Sadenwater Charles W | 2 |
#3 | Gilbert Henry J | 2 |
#4 | Peters Oppermann Kurt | 1 |
#5 | Gilbert Harwood J | 1 |
#6 | Oppermann Kurt Peters | 1 |
#7 | Klaiber Edward C | 1 |
Publication | Filing date | Title |
---|---|---|
US2000943A | Washboard | |
US1987217A | Interlocking means for the marginal edges of superimposed sheets | |
US1979258A | Washboard | |
US1987232A | Washboard | |
US2031178A | Washboard | |
US1896077A | Rubbing element for washboards | |
US1752745A | Washboard | |
US1283148A | Washboard. | |
US885605A | Washboard. | |
CA358171A | Washboard | |
CA359450A | Washboard | |
CA359451A | Washboard rubbing element | |
CA351862A | Wash-board | |
CA351861A | Wash-board |