Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4123701 | Disposable sample card having a well with electrodes for testing a liquid sample Disclosed are several embodiments of a disposable sample card for testing fluids such as blood and the like. A generally planar card contains a chamber, or well and supports two insulated electrodes which terminate in the region of the well. Various elect... | 10/31/1978 |
| 4072892 | Electrolytic measurement system with an inner post and an outer cylindrical shield fluid boundary An electrolytic measurement system incorporating a probe for the measurement of the conductivity of fluids such as sewage and other industrial effluents. The probe has a smooth surface to passage of the fluid with flush-mounted electrodes arranged seriall... | 02/07/1978 |
| 4068162 | Rinse tank control system A control system for a water rinse tank or the like which continuously monitors the rinse water quality by means of electrical conductivity and adds clean water when the water-contamination conductivity of the rinse water builds up through use to a predet... | 01/10/1978 |
| 4032296 | Electrolytic conductivity detector system An electrolytic conductivity detector system is disclosed that is particularly useful for gas chromatography. Small gas molecules that will support conductivity are conducted to a gas-liquid contactor where the gas is mixed with a solvent to form a hetero... | 06/28/1977 |
| 4020677 | Apparatus for determining salinity of fluids An instrument for determining salt concentration in water by measuring elrical conductivity. A probe of electrical insulating material has one electrode mounted on the exterior surface of the probe and a second electrode is mounted in a cavity in the pro... | 05/03/1977 |
