4. Brushing, scrubbing, and general cleaning
  5. Machines
  6. With air blast or suction

Robert Schaaf

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Carpeting tool for a vacuum cleaner

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent

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Filter bag and coupling

Gas separation – Flexible or collapsible bag type – With securing or supporting means
Patent

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Filter press assembly

Liquid purification or separation – Sectional chamber press type – Medium clamped in joint
Patent

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Horseshoe-shaped vacuum cleaner filter bag

Gas separation – Flexible or collapsible bag type – Toroidal or annular bag
Patent

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Level sensitive latch stage

Electrical pulse counters – pulse dividers – or shift registers: c – Shift register – Particular transfer means
Patent

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Profile ID: LFUS-PAI-P-402916

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