Crain Enterprises, Inc.
23Patents
2Active
23Granted
35Portfolio score
Filing activity: Feb 2, 1981 → Dec 28, 2007 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4385849A | Extensible and retractable rod | Emerging Cross-Sectional Technologies | 97 | Expired |
| USD572998S1 | Star shaped knob | General | 28 | Expired |
| USD510699S1 | Multiple function geomatics pole support device | General | 28 | Expired |
| US6631877B1 | Surveying equipment support legs | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US7204685B1 | Modular mold | Performing Operations; Transporting | 23 | Expired |
| US6688566B1 | Surveying equipment support having telescoping legs | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US6772526B1 | Surveying pole | Physics | 22 | Expired |
| US6688012B1 | Surveying pole with telescoping sections | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7441981B2 | Coupler for a mount system | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6502321B1 | Pole section for surveying equipment | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US7374140B2 | Geomatic pole support with telescoping legs and locks | Emerging Cross-Sectional Technologies | 18 | Active |
| US6711826B2 | Pole section for surveying equipment | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US7222827B2 | Telescoping leg lock with thumb actuator | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7497677B1 | Mold having modular submold | Performing Operations; Transporting | 10 | Expired |
| US7500843B2 | Mold system kit | Emerging Cross-Sectional Technologies | 10 | Active |
| USD579803S1 | Level for a survey rod | General | 9 | Expired |
| US7207534B2 | Geomatic pole support and foot therefor | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7048241B2 | Geomatic support having hinged legs with hinge lock | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7241405B1 | Method of renewing a mold block | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7124985B2 | Geomatic pole support with telescoping legs and locks | Emerging Cross-Sectional Technologies | 4 | Expired |
| USD579360S1 | Elongated level vial support for a pole | General | 4 | Expired |
| US7240881B2 | Geomatic support having hinged legs with hinge lock | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| USD585646S1 | Carrying bag for a survey rod | General | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.