US1721477A
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Shower pipe for paper or pulp machines
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US1571736A
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Screen
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US1639273A
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Screen
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US1578729A
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Method of and apparatus for making paper
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US1518922A
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Method of and apparatus for working paper stock
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US1493537A
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Method of and apparatus for removing moisture from paper stock
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US1493536A
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Method of and apparatus for removing moisture from paper stock
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US1535834A
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Method of and apparatus for working paper stock
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US1511759A
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Method of and apparatus for screening paper stock
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US1443410A
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Method of and apparatus for working paper stock
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US1492794A
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Method and apparatus for screening and refining paper stock
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US1493535A
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Method of and apparatus for treating paper stock
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US1492795A
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Method of and apparatus for separating foreign matter from paper stock
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US1405211A
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Method of and apparatus for draining a moist web in paper making
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US1357313A
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Apparatus for paper-making
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US1343505A
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Paper-making machine
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