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*
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1897-03-02 |
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Fireman s mask |
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1932-03-14 |
1933-05-30 |
Bois Melda C Du |
Sunshade
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1939-10-23 |
1941-11-11 |
Buegeleisen Joseph |
Head windshield
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1958-03-07 |
1960-12-27 |
Delbert G Louch |
Head protector
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1960-11-08 |
1962-05-01 |
Samuel R Korolick |
Draft bars for helmet hoods
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1961-05-11 |
1963-12-03 |
Electric Storage Battery Co |
Air supply attachment for welding helmet
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1963-12-11 |
1968-01-09 |
Robertshaw Controls Co |
Unified helmet and oxygen breathing assembly
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1966-01-03 |
1970-03-24 |
Robert L Jones |
Helmet assembly and latch means therefor
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*
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1967-04-07 |
1970-07-28 |
Minnesota Mining & Mfg |
Respirator face mask with replaceable filter
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1969-07-03 |
1971-02-16 |
Schjeldahl Co G T |
Neck closure for protective hood device
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1971-12-27 |
1974-04-30 |
S Halteman |
Protective helmet and face shield
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1972-05-18 |
1976-05-11 |
Physical Systems, Inc. |
Surgical exhaust mask
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1973-09-21 |
1974-07-30 |
Deere & Co |
Skirted helmet
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1975-04-21 |
1977-10-25 |
Knab James V |
Surgical masking and ventilating system
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ZA771283B
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1976-03-31 |
1978-01-25 |
Racal Amplivox Communication |
Improved sealing means for a respirator
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1976-05-21 |
1977-04-26 |
Research Development Systems, Inc. |
Wearable, self-contained fully mobile personal breathing apparatus for surgeons and operating room personnel
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1976-07-21 |
1978-01-24 |
A-T-O Inc. |
Breathing face mask
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*
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1980-03-07 |
1981-07-28 |
Minnesota Mining And Manufacturing Company |
Powered air respirator
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1981-01-27 |
1987-08-04 |
E. I. Du Pont De Nemours And Company |
Toxic fume protective hood and method of construction
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1981-10-02 |
1984-07-31 |
Minnesota Mining And Manufacturing Company |
Powered air respirator and cartridge
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GB2122094B
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1982-06-14 |
1986-04-09 |
Sabre Safety Ltd |
Improvements to breathing apparatus
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1983-01-13 |
1984-11-27 |
E. D. Bullard Company |
Loose fitting supplied air respirator hood
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1983-01-13 |
1985-12-31 |
E. D. Bullard Company |
Method of making loose fitting supplied air respiration hood
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*
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1984-07-30 |
1986-03-04 |
Reed Clifford C |
Protective hood for firefighters
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1985-06-12 |
1987-03-10 |
Mine Safety Appliances Company |
Facemask for abrasive service
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JPH0649085B2
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1985-11-15 |
1994-06-29 |
ブリティッシュ・テクノロジー・グループ・リミテッド |
自蔵式電動ファン付粉じん用呼吸保護具
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1987-06-26 |
1989-01-12 |
Auergesellschaft Gmbh |
Schutzhelm mit einer baenderlosen atemschutzmaske
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1987-11-12 |
1990-10-30 |
John A. Paoluccio |
Face protector for splash and spatter protection
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1988-03-18 |
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Jackson Products, Inc. |
Welding helmet
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1988-03-30 |
1991-11-20 |
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Lamp for use with a protective helmet having a visor.
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1988-04-19 |
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Safety Products Ltd |
Improvements in/relating to safety visors
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1988-04-27 |
1989-08-15 |
American Optical Corporation |
Face protective device
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1988-07-27 |
1989-10-24 |
Kuhlman Thomas E |
Welder's mask with breath controlled eye shield
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Clean room helmet system
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Svetshjaelm foersedd med ett s k snabbfilter
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Light actuated air recirculating and filtration system
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1995-05-02 |
Kemira Oy |
Face shield
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1990-10-17 |
1992-08-25 |
Johnson Gary L |
Welder's safety helmet
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Mask with an air filtering device
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Breathing mask
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Helmet with an air filtering device
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1996-03-27 |
Joseph Anthony Griffiths |
Breathing equipment for aircrew
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1993-01-28 |
1995-03-07 |
Minnesota Mining And Manufacturing Company |
Molded head harness
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1994-09-30 |
1997-09-09 |
Puritan-Bennett Corporation |
Quick-donning full face oxygen mask with inflatable harness and soft foldable lens
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1994-11-07 |
1997-01-17 |
Intertechnique Sa |
Equipement individuel de protection contre les agressions nbc
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1995-03-16 |
1997-04-08 |
Uvex Safety, Inc. |
Snap together protective goggle construction with toric lens
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1995-05-04 |
2000-07-04 |
Hans Rudolph, Inc. |
Mask with gel seal
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1995-08-23 |
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Jackson Products, Inc. |
Welding helmet with removable electronic quick change cartridge
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1997-03-20 |
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Tayco |
Firefighting hood and SCBA face mask system
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1997-08-06 |
2001-01-23 |
The United States Of America As Represented By The Secretary Of The Army |
Advanced chemical-biological mask
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1997-08-12 |
1997-09-04 |
Comweld Group Pty Ltd |
Light shielding helmet
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1997-08-14 |
2000-05-16 |
International Safety Instruments, Inc. |
Face mask for self contained breathing apparatus
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1997-08-15 |
2000-01-18 |
3M Innovative Properties Company |
Protective system for face and respiratory protection
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1998-03-10 |
2000-01-25 |
3M Innovative Properties Company |
Face seal for respirator
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1999-03-19 |
1999-05-12 |
Minnesota Mining & Mfg |
Flow indicator device for respirators
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2000-02-03 |
2003-05-06 |
Optical Engineering Company, Llc |
Replaceable, self-contained expanded viewing light shield cartridge for welding helmet
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2001-07-02 |
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Be Intellectual Property, Inc. |
Multi-phase headset for pilots
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2001-08-15 |
2003-07-15 |
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Welder helmet with fixed and movable face shields
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2003-06-12 |
2004-08-17 |
Morning Pride Manufacturing, L.L.C. |
Protective combination comprising face mask, protective garment having hood, and inflatable seal, for firefighter or emergency worker
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2004-11-12 |
2007-04-03 |
3M Innovative Properties Company |
Supplied air helmet having face seal with differentiated permeability
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