Assignee
BULLARD CO
US·55 granted patents·2 pending applications·2,276 citations·filing 1974–2021
Top patents by PatentIndex Score
57 records- 0198US7000262B2Flexible ratchet mechanism for the headband of protective headgearBULLARD CO·Filed 2004·Granted Feb 21, 2006·133 cites·17 claims
- 0298US4076373AMethod of and means for shielding the lens of a face maskBULLARD CO·Filed 1976·Granted Feb 28, 1978·158 cites·11 claims
- 0397US7174575B1Ratchet mechanism for the headband of protective headgear used in high temperature environmentsBULLARD CO·Filed 2005·Granted Feb 13, 2007·166 cites·18 claims
- 0497US4888831AAdjustable head band suspension system for use with hard hat shellBULLARD CO·Filed 1988·Granted Dec 26, 1989·130 cites·21 claims
- 0596US7321119B2Method and system for thermal imaging having a selective temperature imaging modeBULLARD CO·Filed 2005·Granted Jan 22, 2008·56 cites·18 claims
- 0695USD962160SBattery charger for a thermal imagerBULLARD CO·Filed 2020·Granted Aug 30, 2022·7 cites·1 claims
- 0794US11628318B1Blower assembly for a powered air-purifying respiratorBULLARD CO·Filed 2021·Granted Apr 18, 2023·6 cites·19 claims
- 0894US7043772B2Ratchet mechanism with unitary knob and pinion constructionBULLARD CO·Filed 2004·Granted May 16, 2006·88 cites·10 claims
- 0994US4899740ARespirator system for use with a hood or face maskBULLARD CO·Filed 1989·Granted Feb 13, 1990·349 cites·17 claims
- 1092US7213271B1Brow pad for the headband of protective headgearBULLARD CO·Filed 2004·Granted May 8, 2007·70 cites·7 claims
- 1192US4236514ARespiration systemBULLARD CO·Filed 1979·Granted Dec 2, 1980·80 cites·14 claims
- 1290USD927788SProtective helmetBULLARD CO·Filed 2020·Granted Aug 10, 2021·17 cites·1 claims
- 1388USD472911SPortable thermal imagerBULLARD CO·Filed 2002·Granted Apr 8, 2003·35 cites·1 claims
- 1487US6787775B1Portable thermal imager with a shock-absorbing lens mountBULLARD CO·Filed 2002·Granted Sep 7, 2004·32 cites·5 claims
- 1586US4619254AProtective respirator hood with inner and outer bibsBULLARD CO·Filed 1984·Granted Oct 28, 1986·71 cites·7 claims
- 1686US4271833AVentilating system for protective clothingBULLARD CO·Filed 1979·Granted Jun 9, 1981·53 cites·5 claims
- 1784US5150479AProtective helmetBULLARD CO·Filed 1991·Granted Sep 29, 1992·83 cites·14 claims
- 1884US4051555AProtective headwearBULLARD CO·Filed 1976·Granted Oct 4, 1977·71 cites·15 claims
- 1982US10874159B1Protective helmet with attachment mechanism for securing accessoriesBULLARD CO·Filed 2018·Granted Dec 29, 2020·8 cites·20 claims
- 2082US10827244B1Breathing tube adapter for a respirator with an internal speakerBULLARD CO·Filed 2019·Granted Nov 3, 2020·7 cites·18 claims
- 2180USD927787SProtective helmetBULLARD CO·Filed 2020·Granted Aug 10, 2021·8 cites·1 claims
- 2280US5549104AAir delivery and exhalation exhaust system for protective helmetsBULLARD CO·Filed 1994·Granted Aug 27, 1996·85 cites·37 claims
- 2379US6609254B2Protective helmet and method of making sameBULLARD CO·Filed 2002·Granted Aug 26, 2003·30 cites·12 claims
- 2479US4542538ADisposable protective film accessory for the lens of a respirator hoodBULLARD CO·Filed 1984·Granted Sep 24, 1985·52 cites·20 claims
- 2578US11166513B2Ratchet mechanism for protective helmet headbandBULLARD CO·Filed 2019·Granted Nov 9, 2021·5 cites·23 claims
- 2678US11096439B2Protective helmet headband for accommodating multiple head sizes and/or shapesBULLARD CO·Filed 2019·Granted Aug 24, 2021·6 cites·17 claims
- 2776US7699053B1Powered air-purifying respirator systemBULLARD CO·Filed 2005·Granted Apr 20, 2010·17 cites·4 claims
- 2876US6862747B2Protective helmet with vertically adjustable headbandBULLARD CO·Filed 2004·Granted Mar 8, 2005·33 cites·14 claims
- 2976US4052984APlenum type air distribution system for head enclosureBULLARD CO·Filed 1976·Granted Oct 11, 1977·40 cites·11 claims
- 3074US7897919B2Method and system for thermal imaging having a selective temperature imaging modeBULLARD CO·Filed 2009·Granted Mar 1, 2011·5 cites·18 claims
- 3174US7622716B2Method and system for thermal imaging having a selective temperature imaging modeBULLARD CO·Filed 2007·Granted Nov 24, 2009·5 cites·13 claims
- 3273USD972619SThermal imagerBULLARD CO·Filed 2020·Granted Dec 13, 2022·5 cites·1 claims
- 3373USD479548SPortable thermal imagerBULLARD CO·Filed 2002·Granted Sep 9, 2003·18 cites·1 claims
- 3473US4452240ARespiratory protection apparatusBULLARD CO·Filed 1981·Granted Jun 5, 1984·36 cites·9 claims
- 3572USD900400SProtective helmetBULLARD CO·Filed 2018·Granted Oct 27, 2020·14 cites·1 claims
- 3672US4484575ALoose fitting supplied air respirator hoodBULLARD CO·Filed 1983·Granted Nov 27, 1984·41 cites·7 claims
- 3768US7156093B2Inflatable respirator hoodBULLARD CO·Filed 2004·Granted Jan 2, 2007·15 cites·10 claims
- 3868US5088115AVentilated full body protective garmentBULLARD CO·Filed 1990·Granted Feb 18, 1992·57 cites·11 claims
- 3967US4141133ATool changer for vertical boring machineBULLARD CO·Filed 1977·Granted Feb 27, 1979·20 cites·11 claims
- 4063US8381318B2Adapter for protective helmetsBULLARD CO·Filed 2010·Granted Feb 26, 2013·5 cites·7 claims
- 4160US4038740AVertical lathe with automatic tool change facilityBULLARD CO·Filed 1974·Granted Aug 2, 1977·13 cites·19 claims
- 4259US12214232B1Powered air-purifying respirator carriage and assemblyBULLARD CO·Filed 2021·Granted Feb 4, 2025·0 cites·18 claims
- 4359US4339926AVortex tubeBULLARD CO·Filed 1981·Granted Jul 20, 1982·23 cites·10 claims
- 4458US4561162AMethod of making loose fitting supplied air respiration hoodBULLARD CO·Filed 1984·Granted Dec 31, 1985·22 cites·5 claims
- 4557US2009314295A1Powered air purifying respiratorBULLARD CO·Filed 2007·Application pending·0 cites
- 4656US11134741B2Protective helmet with a retractable and removable visorBULLARD CO·Filed 2018·Granted Oct 5, 2021·1 cites·4 claims
- 4755US4292692ASelf-setting adjustable headbandBULLARD CO·Filed 1980·Granted Oct 6, 1981·15 cites·17 claims
- 4853US4656667AFire helmet and the likeBULLARD CO·Filed 1985·Granted Apr 14, 1987·24 cites·11 claims
- 4949US4455683ASelf-adjusting protective garmentBULLARD CO·Filed 1982·Granted Jun 26, 1984·23 cites·10 claims
- 5045US2021037905A1Protective helmet with attachment ringBULLARD CO·Filed 2020·Application pending·0 cites
Showing the top 50 of 57 patent records by PatentIndex Score.
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