Michael B. Meinhardt
31Patents
11h-index
29Co-inventors
75Inventor score
Filing activity: Oct 15, 1997 → Jul 20, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6726755B2 | Ink compositions containing phthalocyanines | Chemistry; Metallurgy | 104 | Expired |
| US6476219B1 | Methods for preparing phthalocyanine compositions | Chemistry; Metallurgy | 101 | Expired |
| US6663703B1 | Phase change inks containing dimeric azo pyridone colorants | Chemistry; Metallurgy | 98 | Expired |
| US5988805A | Chiral shaped ink sticks | Performing Operations; Transporting | 35 | Expired |
| USD432963S | Control panel for an industrial truck | General | 34 | Expired |
| US6042227A | Hot melt phase change ink containing Diels-Alder polymerization precursor | Performing Operations; Transporting | 34 | Expired |
| USD444750S | Control panel for an industrial truck | General | 32 | Expired |
| US5994453A | Phase change ink formulation containing a combination of a urethane resin, a mixed urethane/urea resin, a mono-amide and a polyethylene wax | Chemistry; Metallurgy | 28 | Expired |
| US6015847A | Magenta phase change ink formulation containing organic sulfonic acid | Chemistry; Metallurgy | 16 | Expired |
| US6946025B2 | Process for preparing tetra-amide compounds | Chemistry; Metallurgy | 11 | Expired |
| US6235094A | Phase change ink formulations, colorant formulations, and methods of forming colorants | Chemistry; Metallurgy | 11 | Expired |
| USD440373S | Industrial truck | General | 10 | Expired |
| US6329453A | System for printing and detecting a photochromic phase change ink composition | Chemistry; Metallurgy | 8 | Expired |
| US6022909A | Photochromic ink | Chemistry; Metallurgy | 5 | Expired |
| US6303185A | Overcoating of printed substrates | Chemistry; Metallurgy | 4 | Expired |
| US10052861B2 | Inks for 3D printing | Emerging Cross-Sectional Technologies | 4 | Active |
| US8029610B2 | Compounds suitable for use in inks and inks having such compounds | Chemistry; Metallurgy | 3 | Active |
| US8070866B2 | Compounds suitable for use in inks and inks having such compounds | Chemistry; Metallurgy | 3 | Active |
| US7967902B2 | Compounds suitable for use in inks and inks having such compounds | Chemistry; Metallurgy | 3 | Active |
| US8721782B1 | Carbon black pigmented solid phase change ink formulations | Chemistry; Metallurgy | 2 | Active |
| US8579428B2 | Colorants | Chemistry; Metallurgy | 2 | Active |
| US7323595B2 | Phase change ink formulations, colorant formulations, and methods of forming colorants | Chemistry; Metallurgy | 1 | Expired |
| US7939678B2 | Phase change ink formulations, colorant formulations, and methods of forming colorants | Chemistry; Metallurgy | 0 | Active |
| US11203191B2 | Inks for 3D printing | Emerging Cross-Sectional Technologies | 0 | Active |
| US8328923B2 | Compounds suitable for use in inks and inks having such compounds | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.