R A HANSON COMPANY INC has a total of 11 patent applications. Its first patent ever was published in 1987. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, machines and chemical engineering are WAIN CO ROY, EPHEMERE PTY LTD and SONERUDS MASKIN AB.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Chemical engineering | |
#4 | Measurement | |
#5 | Packaging and shipping | |
#6 | Agriculture |
# | Technology | |
---|---|---|
#1 | Dredging | |
#2 | Unspecified technologies | |
#3 | Separating solids using liquids | |
#4 | Mining | |
#5 | Harvesting | |
#6 | Measuring length, angles and areas | |
#7 | Unspecified technologies | |
#8 | Transport or storage devices |
# | Name | Total Patents |
---|---|---|
#1 | Hanson Raymond A | 6 |
#2 | Walker Robert D | 2 |
#3 | Steele Thomas W | 2 |
#4 | Peterson Randy S | 2 |
#5 | Crockett Wayne F | 2 |
#6 | Kaschmitter Gerald | 1 |
#7 | Bird Robert L | 1 |
#8 | Morton Jerry | 1 |
#9 | Russell Matthew F | 1 |
#10 | Kanenwischer Bryon M | 1 |
Publication | Filing date | Title |
---|---|---|
US6185847B1 | Continuous shovel | |
US5749452A | Mobile conveyor including alignment system | |
US5590482A | Excavator and earthen material excavator bucket apparatus | |
US5415586A | Combine harvester leveling system, combine harvester header adjusting system, and pivoting chain drive system | |
US5203461A | Mineral jig apparatus | |
US4871213A | Excavating apparatus with adjustable breaker bar | |
US4999934A | Dredging apparatus | |
US4858347A | Continuous excavating apparatus and methods | |
US4849097A | Cam actuated mineral jig | |
US4785560A | Continuous excavating apparatus |