BioChem Technology, Inc.
15Patents
2Active
15Granted
34Portfolio score
Filing activity: Jun 29, 1982 → Apr 10, 2014 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4803365A | Optical probe mounting device | Chemistry; Metallurgy | 51 | Expired |
| US4427778A | Enzymatic preparation of particulate cellulose for tablet making | Textiles; Paper | 48 | Expired |
| US5466604A | Apparatus for monitoring biological activity in wastewater and controlling the treatment thereof | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5552319A | Apparatus and method for monitoring and controlling biological activity in wastewater and controlling the treatment thereof | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5976888A | Method for measuring NO.sub.x in biochemical processes | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5401412A | Method and apparatus for monitoring biological activity in wastewater and controlling the treatment thereof | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5698412A | Method for monitoring and controlling biological activity in fluids | Physics | 8 | Expired |
| US6106718A | Enhanced denitrification process by monitoring and controlling carbonaceous nutrient addition | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5856119A | Method for monitoring and controlling biological activity in fluids | Physics | 6 | Expired |
| US6143246A | Apparatus for measuring ammonia in biochemical processes | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6706171B2 | Systems for treating wastewater in a series of filter-containing tanks | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6416652B1 | Method for measuring ammonia in biochemical processes | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8308947B2 | Methods of providing an aerobic medium in a wastewater treatment bioreactor compartment | Emerging Cross-Sectional Technologies | 1 | Active |
| US9863908B2 | Low drift ion selective electrode sensors | Physics | 0 | Active |
| US6248595A | Method of measuring a nitrification rate for liquids | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.