U.S. federal trademark · Serial No. 79364937 · Reg. No. 7656298
Apparatus for the chemical industry or the process technology, not for scientific purposes, namely, columns for separation, purification, rectification, condensation, vaporization, absorption, desorption, quenching, washing, and scrubbing, distillation column internals, distillation apparatus not for scientific purposes, heat exchangers not being machine parts, quenches for cooling gases, absorbers for absorbing corrosive media, desorbers for desorbing corrosive media, demisters for the separation of smallest particles and aerosols in gases, scrubbers being exhaust gas cleaning scrubbers, washers for cleaning gases and liquids, pipes for heat exchangers not being machine parts, blocks for heat exchangers not being machine parts; Apparatus for the chemical processing industry, not for scientific purposes, namely dilution or concentration units made from graphite for sulphuric acid, phosporic acid, hydrofluoric acid or hydrochloric acid, namely, heat exchangers not being machine parts, distillation columns, quenchers for cooling gases, porous reactors and pressure vessels for corrosive chemicals; Apparatus for the chemical treatment of corrosive chemicals as sulphuric acid, phosphoric acid, hydrofluoric acid and hydrochloric acid, namely, distillation columns for industrial use, quenches for cooling gases, absorbers for absorbing corrosive media, desorbers for desorbing corrosive media, demisters for the separation of smallest particles and aerosols in gases, exhaust gas cleaning scrubbers, heat exchanger for chemical processing; Chemical installations for the synthesis of hydrochloric acid, namely, a HCl burner formed of a heat exchanger, columns, quenchers, reactors and vessels and HCl synthesis plant.
Pumps for corrosive chemicals, namely, centrifugal pumps, axial pumps.
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.