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1898-03-29 |
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Stovepipe-coupling |
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1907-06-20 |
1907-10-15 |
John S Bayer |
Culvert.
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1916-02-26 |
1917-10-16 |
Bernard H Morris |
Universal terminal for ventilation-pipes.
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1947-04-19 |
1949-05-17 |
Chester A Lapp |
Pipe fitting
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1959-10-09 |
1962-08-14 |
Joseph V Bertrand |
High temperature seal assembly
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1961-12-28 |
1966-04-05 |
Mueller Co |
Crimped tube joint
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1963-03-06 |
1965-08-03 |
Parker Hannifin Corp |
Brazed tube coupling
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1966-01-06 |
1969-01-07 |
Aeroquip Corp |
Method of treating and connecting tube fittings
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1968-08-15 |
1971-08-03 |
Glenn J Gibson |
Tube joint having sealing and crimping means
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1970-05-18 |
1972-07-11 |
Mc Donnell Douglas Corp |
Coupling fitting for connecting two pipes
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JPS5560784A
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1978-10-27 |
1980-05-08 |
Co Metaru Components Deibijiyo |
Fluid joint
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1978-10-27 |
1982-05-11 |
The Deutsch Company Metal Components Division |
Fluid fitting
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1978-12-19 |
1983-12-20 |
Shell Oil Company |
Corrugated buckle arrestor
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JPS5588939A
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1978-12-27 |
1980-07-05 |
Nippon Benkan Kogyo Kk |
Joint connection method
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JPS566527A
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1979-06-28 |
1981-01-23 |
Fujitsu Ltd |
Digital/analog converter
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JPS56122633A
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1980-02-29 |
1981-09-26 |
Nisshin Steel Co Ltd |
Pipe connecting method
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1980-09-15 |
1984-11-13 |
Lokring |
Apparatus and method for making a tube connection
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1985-03-13 |
1987-08-18 |
Vassallo Research And Development Corporation |
Pipe coupling
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JPH0259130A
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1988-07-13 |
1990-02-28 |
Mie Horo Kk |
Joining method for tube stock
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1990-03-20 |
1992-01-14 |
The Deutsch Company |
Swagable fitting with inner curved grooves
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1994-05-03 |
1995-03-28 |
Flexon Industries Corporation |
Hose stiffening sleeve
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USD375558S
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1995-06-07 |
1996-11-12 |
Douglas Williams |
End coupler for fume exhaust ducts
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1995-08-29 |
1997-07-08 |
The Motz Group |
Pipe connector
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USD400670S
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1996-04-25 |
1998-11-03 |
Sorkin Felix L |
Duct
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1997-02-25 |
1998-06-10 |
Inventa Ag |
Thermoplastic polymeric corrugated pipe for liquid
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1997-10-29 |
2000-05-02 |
E.I. Du Pont De Nemours And Company |
Variable stiffness bellows
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1997-11-25 |
1999-07-06 |
Morris; Waldo Ivan |
Sealing lock joint pipe fitting
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GB9828423D0
(en)
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1998-12-24 |
1999-02-17 |
Technology The |
Pipe coupling
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DE10016312A1
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1999-12-02 |
2001-10-04 |
Selck Gmbh & Co Kg |
Device for producing a pipe coupling
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USD484953S1
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2000-06-30 |
2004-01-06 |
E. I. Dupont De Nemours And Company |
Flexible tube having a variable stiffness bellows
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USD447792S1
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2000-06-30 |
2001-09-11 |
E. I. Du Pont De Nemours And Company |
Flexible tube having a variable stiffness bellows
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USD517665S1
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2004-08-20 |
2006-03-21 |
Victaulic Company |
Pipe coupling
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USD531708S1
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2005-05-24 |
2006-11-07 |
Certainteed Corporation |
Loosefill insulation hose with triple lips
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2005-05-24 |
2006-11-07 |
Certainteed Corporation |
Loosefill insulation hose with different sized lips
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2008-01-04 |
2011-08-02 |
Cerro Flow Products Llc |
Fluid conduits with integral end fittings and associated methods of manufacture and use
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2008-01-11 |
2009-07-30 |
I Tech Kk |
Pipe joint structure, and pipe connection method
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2008-06-10 |
2010-09-07 |
Teseo S.R.L. |
Pipe coupling
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2008-07-31 |
2010-02-04 |
Jamison Tommy L |
Coupling, joint and method for fixedly and sealingly securing components to one another
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2008-07-31 |
2010-02-04 |
Mueller Industries, Inc. |
Coupling, joint and method for fixedly and sealingly securing components to one another
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2011-02-07 |
2012-08-16 |
Carrier Corporation |
Brazing ring
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2011-12-28 |
2015-09-29 |
Cerro Flow Products Llc |
Refrigeration line set fitting and method of using the same to join refrigeration lines to each other
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2012-12-13 |
2015-05-26 |
Cerro Flow Products Llc |
Crimp fitting for joining tubing
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2013-01-11 |
2015-07-30 |
Rls Llc |
Fitting for joining tubes and method of joining tubes
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2015-02-18 |
2016-04-05 |
Mytee Products, Inc. |
Hose coupling
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2016-05-19 |
2017-06-20 |
Zhi Li |
Connector
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