John Hen
29Patents
12h-index
16Co-inventors
78Inventor score
Filing activity: May 3, 1976 → Mar 2, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8110208B1 | Hemostatic compositions for arresting blood flow from an open wound or surgical site | Human Necessities | 1,324 | Active |
| US6027561A | Cement-based compositions | Chemistry; Metallurgy | 48 | Expired |
| US5141655A | Inhibition of scale formation from oil well brines utilizing a slow release | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4947934A | Method of increasing retention of scale inhibitor in subterranean formations | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5308602A | Synthesis of crystalline ultra-large pore oxide materials | Chemistry; Metallurgy | 18 | Expired |
| US5089150A | Method of increasing retention of scale inhibitors in subterranean formations | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4779679A | Method for scale and corrosion inhibition in a well penetrating a subterranean formation | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6346145B1 | Paints containing low sheen opacifying pigments obtained by flux calcination of kaolin clay | Chemistry; Metallurgy | 14 | Expired |
| US8361504B2 | Materials and methods for wound treatment | Human Necessities | 13 | Active |
| US4787455A | Method for scale and corrosion inhibition in a well penetrating a subterranean formation | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5068042A | Dissolution of sulfate scales | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4855526A | Process for preparing ethylene-higher olefin copolymer oils with Ziegler-Natta catalyst in mixed aliphatic-aromatic solvent | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5059333A | Dissolution of sulfate scales | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6136086A | Low sheen opacifying pigments and manufacture thereof by calcination of kaolin clay | Chemistry; Metallurgy | 12 | Expired |
| US5399270A | Inhibition of scale formation from oil well brines utilizing a slow release composition | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5604185A | Inhibition of scale from oil well brines utilizing a slow release composition and a preflush and/or after flush | Chemistry; Metallurgy | 10 | Expired |
| US4065423A | Paper coating latex compositions containing copolymers of monovinylidene aromatic monomer, aliphatic conjugated diene and an aryloyloxycarboxylic acid monomer | Textiles; Paper | 8 | Expired |
| US5008025A | Sulfonate-containing polymer/polyanionic cellulose combination for high temperature/high pressure filtration control in water base drilling fluids | Chemistry; Metallurgy | 6 | Expired |
| US9585671B2 | Hemostatic device and method | Human Necessities | 6 | Active |
| US8961479B2 | Hemostatic device and method | Human Necessities | 5 | Active |
| US8372441B2 | Materials and methods for preparation of alkaline earth ferrates from alkaline earth oxides, peroxides, and nitrates | Human Necessities | 5 | Active |
| US5377758A | Method for effective placement of a long life scale inhibitor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US9039667B1 | Hemostatic device and method | Human Necessities | 1 | Active |
| US8821848B1 | Ferrate and povidone iodine (PI) composition | Human Necessities | 0 | Active |
| US9877728B2 | Hemostatic device and method | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.