4. Mineral oils: processes and products
  5. Tar sand treatment with liquid

Donald V. Tomkins

Attorney

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Adjustable-height ladder

Fire escape – ladder – or scaffold – Convertible – Ladder
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Apparatus and method for enhancing productivity of natural...

Wells – Processes – With indicating – testing – measuring or locating
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Apparatus and method for thermal de-burring of slotted well...

Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes – Means for removing surface material – e.g. – scarfing
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Arbor apparatus for rotary tools

Cutting by use of rotating axially moving tool – Tool or tool with support – Having axial – core-receiving central portion
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Cleaning method for an oil tank burner system

Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
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Profile ID: LFUS-PAI-P-2254293

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