Fritz Herren
20Patents
10h-index
26Co-inventors
71Inventor score
Filing activity: Jan 30, 1987 → Nov 4, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4769310A | Laser marking of ceramic materials, glazes, glass ceramics and glasses | Emerging Cross-Sectional Technologies | 119 | Expired |
| US5030551A | Laser marking of ceramic materials, glazes, glass ceramics and glasses | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4752460A | Inorganic compounds based on bismuth vanadate | Chemistry; Metallurgy | 19 | Expired |
| US5274010A | Process for warp-free pigmenting of polyolefins | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5123965A | Process for stabilizing bismuth vanadate pigments against attack by hydrochloric acid | Chemistry; Metallurgy | 13 | Expired |
| US6113683A | Colored pearlescent pigments | Chemistry; Metallurgy | 12 | Expired |
| US5095122A | Diketopyrrolopyrrole pigments in platelet form | Chemistry; Metallurgy | 11 | Expired |
| US5401780A | Acrylic polymer coated organic pigments | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5646299A | Two new crystal modifications of a diketopyrrolopyrrole pigment | Physics | 11 | Expired |
| US6436538B1 | Nitrogen doped carbon-coated effect pigments and their manufacture | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5380870A | Mixed crystals of sulfonated diketopyrrolopyrroles | Chemistry; Metallurgy | 9 | Expired |
| US7740743B2 | Fine particle size lime slurries and their production | Textiles; Paper | 8 | Expired |
| US5591865A | Crystal modification of a diketopyrrolopyrrole pigment | Physics | 8 | Expired |
| US6369147B1 | Color effect pigments and method of forming the same | Chemistry; Metallurgy | 7 | Expired |
| US6288142A | Process for warp-free pigmenting of polyolefins | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6706330B2 | Process for coating a surface | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6180694A | Process for warp-free pigmenting of polyolefins | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6984682B2 | Color effect pigments and method of forming the same | Chemistry; Metallurgy | 1 | Expired |
| USRE35009E | Diketopyrrolopyrrole pigments in platelet form | General | 0 | Expired |
| US6143067A | Isoindoline pigment having improved low shear dispersibility | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.