Wayne E. Luetzelschwab
21Patents
7h-index
7Co-inventors
58Inventor score
Filing activity: Nov 2, 1973 → Aug 31, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4849182A | Apparatus and method for the continuous production of aqueous polymer solutions | Performing Operations; Transporting | 30 | Expired |
| US4510993A | Flow control apparatus and method | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4874248A | Apparatus and method for mixing a gel and liquid | Performing Operations; Transporting | 18 | Expired |
| US4482704A | Method and apparatus for multiple recycle polymer dilution | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4603154A | Method for preparing dilute polymer solutions | Chemistry; Metallurgy | 11 | Expired |
| US4402916A | Dilution apparatus and method | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4617991A | Polymer flow control apparatus | Fixed Constructions | 8 | Expired |
| US4782847A | Flow control apparatus and method | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4559202A | Apparatus for preparing polymer solutions | Performing Operations; Transporting | 7 | Expired |
| US4508858A | Apparatus and method for preparing polymer solutions | Performing Operations; Transporting | 7 | Expired |
| US4679628A | Dilution apparatus and method | Performing Operations; Transporting | 6 | Expired |
| US4576978A | Method for preparing polymer solutions | Performing Operations; Transporting | 6 | Expired |
| US3956372A | Process for the production of petroleum sulfonate | Chemistry; Metallurgy | 6 | Expired |
| US4361520A | Refinement of sulfonated hydrocarbons | Chemistry; Metallurgy | 5 | Expired |
| US4633947A | Production of a polyacrylamide solution used in an oil recovery process | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4553594A | Flow control method | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4778607A | Method of diluting a concentrated polymer solution for use in a hydrocarbon recovery process | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4535844A | Method of using polymer flow control apparatus | Fixed Constructions | 1 | Expired |
| US4867239A | Oil recovery process using a treated polymer solution | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4965298A | Preparation and cooling of aqueous polymer solution | Chemistry; Metallurgy | 1 | Expired |
| US4661538A | Apparatus and method for the continuous production of aqueous polymer solutions | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.