Alpine Corporation
27Patents
12Active
27Granted
42Portfolio score
Filing activity: Jan 18, 1978 → Feb 11, 2021 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5739772A | Navigation system for vehicles | Physics | 98 | Expired |
| USD789243S1 | Gnome figurine with stop sign | General | 29 | Active |
| US4602743A | Fluidized bed jet mill | Performing Operations; Transporting | 24 | Expired |
| US5991979A | Skin mounted device holder | Emerging Cross-Sectional Technologies | 24 | Expired |
| USD821256S1 | Holiday gnome ornament | General | 20 | Active |
| USD821255S1 | Deck the halls gnome ornament | General | 17 | Active |
| US4643656A | Take-away device for plastic tubing | Performing Operations; Transporting | 12 | Expired |
| US4836744A | Take-away device for tubing foils | Performing Operations; Transporting | 11 | Expired |
| USD643505S1 | Rainforest fountain | General | 11 | Expired |
| USD797886S1 | Tower castle fountain | General | 10 | Active |
| USD643504S1 | Rainforest fountain | General | 7 | Expired |
| USD643503S1 | Rainforest fountain | General | 5 | Expired |
| USD643501S1 | Rainforest fountain | General | 5 | Expired |
| US4278537A | Apparatus for separating heavy solids and light solids from a mixture thereof | Performing Operations; Transporting | 5 | Expired |
| USD821257S1 | Stacked snowmen | General | 4 | Active |
| US5354190A | Device for making tubing foils | Performing Operations; Transporting | 4 | Expired |
| US4786406A | Particle classifier with wear-resistant classifier wheel | Performing Operations; Transporting | 4 | Expired |
| USD643502S1 | Rainforest fountain | General | 4 | Expired |
| US4804146A | Method for the continuous production of granulates from a solid in a fluidized bed of material | Performing Operations; Transporting | 4 | Expired |
| USD771519S1 | American flag ball | General | 4 | Active |
| USD789831S1 | Stacked penguins figurine | General | 4 | Active |
| USD956921S1 | Fountain speaker | General | 3 | Active |
| US4351488A | Feed bars for shredding mills | Performing Operations; Transporting | 2 | Expired |
| US11510009B2 | Decorative garden fountain with a speaker | Electricity | 1 | Active |
| USD771517S1 | Snowman clip | General | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.