PRE HOLDING, INC.
14Patents
3Active
14Granted
33Portfolio score
Filing activity: Jan 14, 1980 → Jan 13, 2015 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD483869S1 | Tubing connector | General | 89 | Expired |
| USD498768S1 | Nebulizer compressor system | General | 38 | Expired |
| US8074641B2 | Aerosol medication inhalation system | Human Necessities | 23 | Active |
| US4366650A | Support arrangement including base support means and elevatable support means to transport a drawworks and drilling mast supported thereon and for positioning at a drilling location | Fixed Constructions | 21 | Expired |
| USD480093S1 | Combined portable compressor unit and battery | General | 20 | Expired |
| US4305237A | Compact sectionalized drilling mast, power arrangement and support means therefor | Fixed Constructions | 14 | Expired |
| US4292772A | Trailer mounted high floor drilling mast and substructure arrangement | Fixed Constructions | 10 | Expired |
| USD497379S1 | Ocular aerosol goggles | General | 9 | Expired |
| USD560794S1 | Cylindrical breath-enhanced nebulizer | General | 7 | Expired |
| USD558874S1 | Spherical breath-enhanced nebulizer | General | 5 | Expired |
| US8973571B1 | Aerosol medication inhalation system | Human Necessities | 5 | Active |
| USD557405S1 | Spherical nebulizer | General | 5 | Expired |
| USD559975S1 | Cylindrical nebulizer | General | 4 | Expired |
| US9308335B2 | Aerosol medication inhalation system | Human Necessities | 3 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.