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Van Laar
Abram Evert Van Laar, Valburg NL
| Patent application number | Description | Published |
|---|---|---|
| 20080230093 | Apparatus, Vehicle and Method For Cleaning Surfaces Fouled With Chewing Gum - The invention relates to an apparatus for cleaning diverse types of surface, such as public highways, pavements, squares and so on. The invention also relates to a vehicle for cleaning such surfaces. The invention further relates to a method for cleaning such surfaces. | 09-25-2008 |
Floris Van Laar, Ontario CA
| Patent application number | Description | Published |
|---|---|---|
| 20110200958 | Hot Blast Stove Dome and Hot Blast Stove - A hot blast stove dome comprises a first dome portion adapted for support on a combustion chamber wall of a hot blast stove, and a second dome portion adapted for support on a checker chamber wall of a hot blast stove, wherein a vertical expansion joint is provided between the first dome portion and the second dome portion and is adapted to allow the first dome portion and the second dome portion to independently accommodate vertical expansion of their respective supporting walls. The dome is suitably provided in a hot blast stove which comprises a combustion chamber, a checker chamber, a cylindrical housing comprising a combustion chamber wall and a checker chamber wall. | 08-18-2011 |
Frederik Van Laar, Maarssen NL
| Patent application number | Description | Published |
|---|---|---|
| 20110275858 | METHOD FOR PRODUCING TOLUYLENEDIAMINE BY HYDROGENATING DINITROTOLUENE - A process for preparing tolylenediamine by hydrogenating dinitrotoluene with hydrogen in the presence of a suspended catalyst | 11-10-2011 |
Frederik Van Laar, Limburgerhof DE
| Patent application number | Description | Published |
|---|---|---|
| 20090253938 | Method for Producing 1,2-Diamino-3-Methylcyclohexane and/or 1,2-Diamino-4-Methylcyclohexane - A process for preparing 1,2-diamino-3-methylcyclohexane and/or 1,2-diamino-4-methylcyclohexane by reacting 2,3- and/or 3,4-diaminotoluene with hydrogen at elevated pressure and elevated temperature in the presence of a heterogeneous rhodium catalyst, wherein a mixture comprising 2,3- and/or 3,4-diaminotoluene, a dialkyl ether and/or alicyclic ether as a solvent and ammonia is initially charged in an autoclave in the presence of the catalyst and subsequently hydrogenated while supplying hydrogen. | 10-08-2009 |
| 20100015012 | METHOD FOR PRODUCING AROMATIC AMINES OR ALIPHATIC AMINO ALCOHOLS - The invention relates to a process for preparing aromatic amines by hydrogenation of nitroaromatics in the presence of catalysts, in which a fluid reaction mixture which comprises amines and from which the catalysts are separated off is formed in a reactor. After the catalysts have been separated off, a measurement of the absorption of UV/VIS radiation by the reaction mixture is carried out to determine the concentration of nitro and nitroso compounds in the reaction mixture. | 01-21-2010 |
Gerard Johannes Van Laar, Vaassen NL
| Patent application number | Description | Published |
|---|---|---|
| 20100294099 | Cutting device - The invention relates to a cutting device for, in a cutting direction, cutting a belt layer from a web of unvulcanised rubber having mutually substantially parallel cords that are at a cord angle, comprising: a blade which sideward with respect to the cutting direction, is freely movable; a first detector for during cutting detecting a sideward displacement of the +0d5; a control computer, operationally coupled to the first detector, for giving control instructions on the basis of displacement information from the detecting means regarding sideward displacement of the +0d5; at least one actuator, operationally coupled to the control means for during cutting adjusting the cutting direction of the +0d5 on the basis of the control instructions. | 11-25-2010 |
Jacobus Van Laar US
| Patent application number | Description | Published |
|---|---|---|
| 20110200958 | Hot Blast Stove Dome and Hot Blast Stove - A hot blast stove dome comprises a first dome portion adapted for support on a combustion chamber wall of a hot blast stove, and a second dome portion adapted for support on a checker chamber wall of a hot blast stove, wherein a vertical expansion joint is provided between the first dome portion and the second dome portion and is adapted to allow the first dome portion and the second dome portion to independently accommodate vertical expansion of their respective supporting walls. The dome is suitably provided in a hot blast stove which comprises a combustion chamber, a checker chamber, a cylindrical housing comprising a combustion chamber wall and a checker chamber wall. | 08-18-2011 |
Reinoud Jacobus Van Laar, Haarlem NL
| Patent application number | Description | Published |
|---|---|---|
| 20080199820 | Support Assembly For Supporting Heat Regeneration Checker Work In A Hot Blast Stove, Hot Blast Stove Provided With Said Support Assembly, Method Of Producing Hot Air Using Said Hot Blast Stove - Support assembly for supporting heat regeneration checker work in a hot blast stove for a blast furnace. The assembly includes a supporting grid for supporting the checker work, and supporting columns for supporting the supporting grid. The assembly includes a cast iron material. The cast iron material includes a ferritic matrix and a dispersion of graphite particles wherein the shape of the graphite particles is substantially vermicular or nodular. | 08-21-2008 |