Patents and Trademarks
Any product, process or technology described here may be the subject of intellectual property rights reserved by Martin Engineering Company. Trademarks or service marks designated with the ® symbol are registered with the U.S. Patent and Trademark Office and may be proprietary in one or more countries or regions. Other trademarks and service marks belonging to Martin Engineering Company in the United States and/or other countries or regions may be designated with the “TM” and “SM” symbols. Brands, trademarks and names of other parties, who may or may not be affiliated with, connected to or endorsed by Martin Engineering Company, are identified wherever possible.
In addition to the trademarks and patents listed below, check out our Famous Firsts at:
https://info.martin-eng.com/martin-famous-firsts
Registered Trademarks — United States
- Boot-Lift®
- Cougar®
- CleanScrape®
- Mr. Blade®
- Martin®
- N2®
- Vibrolator®
Common Law Trademarks — United States
- ApronSeal™
- Dust Fighter™
- Foundations™
- Inertial Flow™
- Maximizer™
- Production Done Safely™
- QC™
- QB1™
- R.O.C.S.™
- Return On Conveyor Safety™
- SAF2™
- Safety First™
- SQC2S™
- Tracker™
- Total Material Control™
- Trac-Mount™
- Twist™
- Vibroller™
- Vibrotor™
- Walk the Belt™
- Washbox™
Active Patents
Below are the current U.S. patents held by Martin Engineering.
Expired Patents
Below are the expired U.S. patents held by Martin Engineering and our Founder, Edwin F. Peterson.
| PATENT NUMBER | DESCRIPTION | APPLICATION DATE | COUNTRY |
| US2528319A | Vibration Producing Means | 10/3/1945 | USA |
| US2480603A | Machine Vibrator Famous First - Vibrolator® ball-type Industrial Vibrator |
6/26/1946 | USA |
| US2518250A | Machine Vibrator Famous First - Martin® Vibroller™ and the Martin® Vibrotor™ Vibrators |
5/27/1948 | USA |
| US2535596A | Machine Vibrator | 11/2/1948 | USA |
| US2637881A | Coremaking Machine | 1/22/1949 | USA |
| US2669769A | Method of Making Core Box Vent Plugs | 9/10/1949 | USA |
| US2607968A | Sand Blowing Tube for Core-making Machines | 10/3/1949 | USA |
| US2677160A | Core Box Dowel Pin | 11/16/1949 | USA |
| US2687559A | Blow Tube for Core Boxes | 2/28/1950 | USA |
| US2659119A | Wear Resisting Insert for Core Making Apparatus | 6/15/1950 | USA |
| US2778589A | Supporting Pad for Hot Flat Irons | 2/18/1952 | USA |
| US2761186A | Blow Tube for Core Blowing Machine | 4/24/1952 | USA |
| US2778612A | Vibratory Mechanism | 8/9/1952 | USA |
| US2778230A | Positive Drive Vibratory Mechanism | 8/9/1952 | USA |
| US2793009A | Machine Vibrator Famous First - Brute External Motor-Driven Vibrator |
12/2/1954 | USA |
| US2911691A | Spray Head Core Box Blow Tube | 8/29/1955 | USA |
| US2917290A | Vibrator | 4/25/1957 | USA |
| US2933786A | Blow Tube for Core Blowing Machines | 5/13/1957 | USA |
| US2953282A | Motor Driven Vibrator | 6/19/1957 | USA |
| US2945386A | Magnetically Impelled Ball Vibrator | 3/10/1958 | USA |
| US3112016A | Mounting Blocks for Vibratory Mechanisms | 12/5/1958 | USA |
| US3095619A | Method and Means for Sealing Adjacent Coacting Closure Surfaces of Cavity Contouring Structures | 12/16/1958 | USA |
| US2999393A | Vibrator Famous First - Big Shake Vibrator |
2/13/1959 | USA |
| US3047752A | Air Cooled Motor Vibrator | 6/11/1959 | USA |
| US2958227A | Vibrator System | 8/20/1959 | USA |
| US3076346A | Vibrator Housing | 8/28/1959 | USA |
| US3003733A | Mounting Means Especially for Vibrators | 1/7/1960 | USA |
| US3102309A | Core Box Sealing Strip and Method of Attachment | 3/28/1960 | USA |
| US3036819A | Plural-Container and Mixer Means | 4/25/1960 | USA |
| US3036471A | Epicyclic Vibrator | 4/25/1960 | USA |
| US3036658A | Drive and Lubricating System for Vibrators | 4/25/1960 | USA |
| US3074129A | Core Box Seal Strip | 6/13/1960 | USA |
| US3104432A | Blow Tube and Method of Making Same | 9/21/1960 | USA |
| US3036527A | Rotary Device with Access Port | 10/20/1960 | USA |
| US3180365A | Resilient Wear Resistant Blow Tube | 8/9/1961 | USA |
| US3134272A | Vibrator | 1/30/1961 | USA |
| US3107889A | Vibrator Mounting | 3/2/1961 | USA |
| US3177731A | Air Cooled Vibrator | 4/20/1961 | USA |
| US3134564A | Vibrator Mount | 7/31/1961 | USA |
| US3185323A | Shaker Apparatus | 8/9/1961 | USA |
| US3237505A | Mounting of Vibrators | 6/20/1963 | USA |
| US3237896A | Mounting Means for Vibrators | 8/1/1963 | USA |
| US3200479A | Method of Making a Sand Retaining Blow Tube | 8/5/1963 | USA |
| US3266102A | Bodily Actuable Core Box Seal | 4/14/1964 | USA |
| US3355957A | Rotary Vibrator and Mount Therefor | 8/23/1965 | USA |
| US3491825A | Seal Means for Cooperative Contacting Surfaces in Core Boxes | 1/18/1968 | USA |
| US3498651A | Driving Connection | 2/3/1969 | USA |
| US3572641A | Rotary Vibrator with Adjustable Weight Means | 2/3/1969 | USA |
| US3661197A | Corebox and Seal | 2/9/1970 | USA |
| US3788527A | Quick-release Aerator for Introducing High Pressure Air into a Container to Facilitate Dispensing Famous First - Big Blaster Air Cannon |
1/22/1973 | USA |
| US4249650A | Belt Cleaner Mounting Arrangement Famous First - Martin® Trac-Mount Belt Cleaner |
10/22/1979 | USA |
| USRE31249E | Conveyor Skirt Board and Holder | 11/2/1981 | USA |
| US4598823A | Conveyor Belt Cleaner | 2/13/1984 | USA |
| US4643293A | Conveyor Belt Cleaner | 2/18/1986 | USA |
| US4676402A | Quick Release Aerator | 4/4/1986 | USA |
| US4658949A | Conveyor Belt Scraper Blade | 9/2/1986 | USA |
| US4790428A | Conveyor Belt Guide Rollers | 2/9/1987 | USA |
| US4898272A | Conveyor Belt Support Mechanism Famous First - Guardaseal™ |
4/20/1989 | USA |
| US4917231A | Constant Angle Conveyor Belt Cleaner Famous First - “CARP” Constant Angle / Constant Area Radial Pressure Blade Design |
4/20/1989 | USA |
| US4925434A | Torsiconal Tensioning Device | 8/31/1989 | USA |
| US5016747A | Barrier Seal for Conveyor Skirtboard | 6/21/1990 | USA |
| US5310042A | Conveyor Belt Stripper | 6/10/1993 | USA |
| US5385507A | Twist Tensioner with Selectively Engageable Coupling | 11/4/1993 | USA |
| US5413208A | Conveyor Belt Scraper Blade | 7/1/1994 | USA |
| US5833205A | Vibrator Mounting Arrangement | 1/18/1996 | USA |
| US5816388A | Pressure Arm for Floating Skirt in Conveyor | 5/5/1997 | USA |
| US6131726A | Belt Steering Assembly for Centering Conveyor Belts | 5/28/1997 | USA |
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