Assignee
MARTIN ENG CO
122 granted patents·6 pending applications·2,807 citations·filing 1975–2022
Top patents by PatentIndex Score
128 records- 0197US6457575B2Self-locking pin mounting arrangement for conveyor belt cleaner scraper bladesMARTIN ENG CO·Filed 2001·Granted Oct 1, 2002·66 cites·27 claims
- 0297US4917231AConstant angle conveyor belt cleanerMARTIN ENG CO·Filed 1989·Granted Apr 17, 1990·82 cites·15 claims
- 0396US6986418B2Conveyor belt cleaner scraper blade with sensor and control system thereforMARTIN ENG CO·Filed 2003·Granted Jan 17, 2006·57 cites·7 claims
- 0496US6575292B2Conveyor belt cleaner and tensioner assemblyMARTIN ENG CO·Filed 2002·Granted Jun 10, 2003·51 cites·11 claims
- 0596US6374991B1Conveyor belt cleaner and tensioner assemblyMARTIN ENG CO·Filed 2000·Granted Apr 23, 2002·54 cites·18 claims
- 0696US4953689AConveyor belt cleanerMARTIN ENG CO·Filed 1986·Granted Sep 4, 1990·92 cites·14 claims
- 0796US4598823AConveyor belt cleanerMARTIN ENG CO·Filed 1984·Granted Jul 8, 1986·59 cites·1 claims
- 0895US7370750B2Conveyor belt cleaner system and method of manufacturing sameMARTIN ENG CO·Filed 2005·Granted May 13, 2008·27 cites·5 claims
- 0995US7216756B2Constant angle and pressure conveyor belt cleaner and tensionerMARTIN ENG CO·Filed 2004·Granted May 15, 2007·55 cites·31 claims
- 1095US7131525B2Conveyor belt cleaner scraper blade with sensor and control system thereforMARTIN ENG CO·Filed 2005·Granted Nov 7, 2006·29 cites·7 claims
- 1194US7740127B2Bulk material handling systemMARTIN ENG CO·Filed 2008·Granted Jun 22, 2010·22 cites·5 claims
- 1294US6439373B1Constant angle and pressure conveyor belt cleaner and tensioning arrangementMARTIN ENG CO·Filed 1999·Granted Aug 27, 2002·72 cites·34 claims
- 1394US6401911B1Differential wear conveyor belt scraper bladeMARTIN ENG CO·Filed 2000·Granted Jun 11, 2002·54 cites·20 claims
- 1493US6374990B1Conveyor belt cleaner scraper blade with sensorMARTIN ENG CO·Filed 1999·Granted Apr 23, 2002·62 cites·22 claims
- 1592US7007794B2Multiple durometer conveyor belt cleaner scraper bladeMARTIN ENG CO·Filed 2004·Granted Mar 7, 2006·48 cites·22 claims
- 1692US4359150AConveyor belt cleanerMARTIN ENG CO·Filed 1981·Granted Nov 16, 1982·50 cites·13 claims
- 1791USD547523SArm for a conveyor belt cleanerMARTIN ENG CO·Filed 2006·Granted Jul 24, 2007·46 cites·1 claims
- 1891US4944386AScraper for conveyor beltsMARTIN ENG CO·Filed 1990·Granted Jul 31, 1990·53 cites·14 claims
- 1990US7367443B2Conveyor belt cleaner system and method of manufacturing sameMARTIN ENG CO·Filed 2004·Granted May 6, 2008·29 cites·40 claims
- 2090US7258225B2Method and apparatus for diverting materialMARTIN ENG CO·Filed 2005·Granted Aug 21, 2007·25 cites·27 claims
- 2190US6591969B2Conveyor belt cleaner scraper blade with sensor and method of manufactureMARTIN ENG CO·Filed 2001·Granted Jul 15, 2003·51 cites·30 claims
- 2290US6321901B1Conveyor belt cleaner and tensionerMARTIN ENG CO·Filed 2000·Granted Nov 27, 2001·67 cites·16 claims
- 2390US5797477AConveyor belt scraper bladeMARTIN ENG CO·Filed 1996·Granted Aug 25, 1998·55 cites·44 claims
- 2490US4643293AConveyor belt cleanerMARTIN ENG CO·Filed 1986·Granted Feb 17, 1987·48 cites·7 claims
- 2589US5048669AModular conveyor belt sealing systemMARTIN ENG CO·Filed 1990·Granted Sep 17, 1991·51 cites·18 claims
- 2688US7308980B2Method for distributing a conveyor belt cleanerMARTIN ENG CO·Filed 2004·Granted Dec 18, 2007·34 cites·14 claims
- 2788US5378202ATensioning deviceMARTIN ENG CO·Filed 1993·Granted Jan 3, 1995·39 cites·28 claims
- 2888US4825997APneumatically actuated tensioning arrangement for conveyor belt cleanerMARTIN ENG CO·Filed 1987·Granted May 2, 1989·61 cites·5 claims
- 2987US4658949AConveyor belt scraper bladeMARTIN ENG CO·Filed 1986·Granted Apr 21, 1987·43 cites·8 claims
- 3086US8006830B2Exteriorly mounted wear liner for bulk material conveyor belt systemsMARTIN ENG CO·Filed 2008·Granted Aug 30, 2011·17 cites·13 claims
- 3186US7967129B2Conveyor belt training idler with a locking mechanismMARTIN ENG CO·Filed 2008·Granted Jun 28, 2011·16 cites·16 claims
- 3286US7669708B2Bulk material handling system and controlMARTIN ENG CO·Filed 2007·Granted Mar 2, 2010·13 cites·3 claims
- 3386US7556140B2Bulk material handling systemMARTIN ENG CO·Filed 2007·Granted Jul 7, 2009·12 cites·7 claims
- 3485US7571802B2Conveyor belt skirt assemblyMARTIN ENG CO·Filed 2007·Granted Aug 11, 2009·21 cites·10 claims
- 3584USD543670SScraper blade for a conveyor belt cleanerMARTIN ENG CO·Filed 2006·Granted May 29, 2007·31 cites·1 claims
- 3683US7866457B2Conveyor belt cleaner scraper blade with sensor and control system thereforMARTIN ENG CO·Filed 2006·Granted Jan 11, 2011·10 cites·9 claims
- 3783US7735620B2Dust buildup resistant access door and door frame of a bulk material handling systemMARTIN ENG CO·Filed 2008·Granted Jun 15, 2010·11 cites·14 claims
- 3883US5088965ARadial tensionerMARTIN ENG CO·Filed 1991·Granted Feb 18, 1992·45 cites·11 claims
- 3983US4098394ARatchet tensioner for belt cleanersMARTIN ENG CO·Filed 1976·Granted Jul 4, 1978·31 cites·2 claims
- 4082US7837030B2Apparatus for and method of mounting and locking devices to conveyor belt systemsMARTIN ENG CO·Filed 2008·Granted Nov 23, 2010·19 cites·14 claims
- 4182US4927003AHeated conveyor belt cleanerMARTIN ENG CO·Filed 1989·Granted May 22, 1990·47 cites·7 claims
- 4282US4898272AConveyor belt support mechanismMARTIN ENG CO·Filed 1989·Granted Feb 6, 1990·38 cites·9 claims
- 4381USD880098STorque tensioning tube for a conveyor belt mainframeMARTIN ENG CO·Filed 2019·Granted Mar 31, 2020·22 cites·1 claims
- 4481US8028819B1Constant pressure and variable cleaning angle scraper blade and method for designing sameMARTIN ENG CO·Filed 2007·Granted Oct 4, 2011·13 cites·7 claims
- 4581US4925434ATorsiconal tensioning deviceMARTIN ENG CO·Filed 1989·Granted May 15, 1990·32 cites·16 claims
- 4681US4874082AConveyor skirt board, clamp and mounting arrangementMARTIN ENG CO·Filed 1988·Granted Oct 17, 1989·30 cites·14 claims
- 4780US6349816B1Fluted conveyor belt cleaner scraper bladeMARTIN ENG CO·Filed 2000·Granted Feb 26, 2002·29 cites·37 claims
- 4880US3942684AAir accumulator and aerator for materials-handlingMARTIN ENG CO·Filed 1975·Granted Mar 9, 1976·26 cites·10 claims
- 4979US9169081B1Bulk material conveyor belt scraper and method of forming the sameMARTIN ENG CO·Filed 2014·Granted Oct 27, 2015·7 cites·16 claims
- 5079US9139367B2Conveyor belt idler assemblyMARTIN ENG CO·Filed 2012·Granted Sep 22, 2015·8 cites·15 claims
Showing the top 50 of 128 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when MARTIN ENG CO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →