RINGGENBERG PAUL D has a total of 12 patent applications. Its first patent ever was published in 1992. It filed its patents most often in United States and Canada. Its main competitors in its focus markets optics, machines and civil engineering are YANG GUO, WELLDYNAMICS BV and STONE AEROSPACE INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 | |
#2 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Optics | |
#2 | Machines | |
#3 | Civil engineering | |
#4 | Measurement |
# | Technology | |
---|---|---|
#1 | Optical systems | |
#2 | Unspecified technologies | |
#3 | Earth drilling | |
#4 | Analysing materials |
# | Name | Total Patents |
---|---|---|
#1 | Ringgenberg Paul D | 12 |
#2 | Skinner Neal G | 6 |
#3 | Johnson David O | 6 |
#4 | Maida Jr John L | 6 |
#5 | Huggins Cory L | 1 |
#6 | Gilbert Gregory N | 1 |
#7 | Martin Adam H | 1 |
#8 | Perkins Donald | 1 |
#9 | Beck Harold K | 1 |
Publication | Filing date | Title |
---|---|---|
US2013081806A1 | Debris resistant internal tubular testing system | |
US2012312529A1 | Reducing trips in well operations | |
US2012090854A1 | Pressure bearing wall and support structure therefor | |
US5335731A | Formation testing apparatus and method |