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Prototype Muzzle break

 
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  #22  
Old 10-31-2012, 08:13 AM
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Re: Prototype Muzzle break

JE,
I apreciate the effort in advancing muzzle brake design but am concerned about getting a patent on it. There are quite a few patented muzzle brakes and very few that ever made a dime from the design. Reason is all someone has to do is change one aspect by the slightest amount and they are free to copy and market your design all they want. I'm afraid you are going to be out a bunch of money that may not be recoverable.

Darrell Holland doesn't patent his brakes and if anyone ever should have it is him. Problem is it wouldn't have done any good. He has a guy named Ross who freely admits he copied Darrell's brake. He changed it slightly and sells it all over the net for $40 each. He has sold thousands of them. Thanks Darrell.

Darrell designed a dual draft recoil lug. That thing is copied and sold everywhere as who ever wants to call it there own.
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  #23  
Old 10-31-2012, 08:45 AM
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Re: Prototype Muzzle break

Quote:
Originally Posted by barnesuser28 View Post
How well would you think this brake would tame a 7-7.5 lb 300 RUM shooting 180 grain bullets? 30-06 level?

I personally think if it will make the .50 bmg tame, it will do the same for any rifle.

I still do a lot of hunting When not building rifles or dreaming up something (I am retired and
sometime have more projects than time).And I am looking forward to testing it on one of my
hunting rifles, especally out of a blind. If it does as good scaled down about getting rid of the pressure wave it should make hunting a lot more pleasant.

Some of the better brakes do a good job of reducing the recoil to around 50% i see no reason
this brake wont do the same.

Your 300 RUM should have a recoil value of around 35 ft/lbs and recoil velocity of 17 to 18 ft/sec.

The 30/06 depending on rifle weight is around 24 to 26 ft/lbs and a recoil velocity of 12 to 14 ft/sec.

So a good brake should reduce it by 50% making it less that a 30/06 and less than 20 ft/lbs
of recoil energy.

I used one of Kirbys brakes on a 300 rum and it has less recoil than a 308 of comparably weight


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  #24  
Old 10-31-2012, 12:27 PM
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Re: Prototype Muzzle break

Quote:
Originally Posted by Hired Gun View Post
JE,
I apreciate the effort in advancing muzzle brake design but am concerned about getting a patent on it. There are quite a few patented muzzle brakes and very few that ever made a dime from the design. Reason is all someone has to do is change one aspect by the slightest amount and they are free to copy and market your design all they want. I'm afraid you are going to be out a bunch of money that may not be recoverable.

Darrell Holland doesn't patent his brakes and if anyone ever should have it is him. Problem is it wouldn't have done any good. He has a guy named Ross who freely admits he copied Darrell's brake. He changed it slightly and sells it all over the net for $40 each. He has sold thousands of them. Thanks Darrell.

Darrell designed a dual draft recoil lug. That thing is copied and sold everywhere as who ever wants to call it there own.
I hear you !!!

I have had 3 other patents stolen so I know the risk. If someone wants to steal the design there is
not much I can do about it. the one thing that I can tell you for sure it cannot be made for $40.00
bucks much less sold for that, because it takes some expensive machinery (A 5 axis CNC for
example)to build it. and if you tried to build one on a Lathe and milling machine it would cost
a $1,000.00 or more.

But I will know that I helped others to enjoy shooting more and that's whats important to me.

And I use a lot of the Holland breaks and They are on my top 5 list of breaks to use.

Thanks

J E CUSTOM
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Last edited by J E Custom; 10-31-2012 at 02:50 PM.
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  #25  
Old 10-31-2012, 11:11 PM
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I'm intrigued by your brake concept. Speaking from experience (over 25 US patents), I can offer some advice on patenting your invention. It sounds like you already have some experience with patents, so you may already know this.

First, if you're not willing to enforce the patent by paying a lawyer to go after every person who infringes, your patent will be worthless.

Second, if a large company (like Barrett) infringes, they will ignore the letters from your lawyer because they will assume an individual inventor does not have the $500,000 it takes to mount a credible legal battle. Individuals and small companies caught infringing will tend to cave in, though. Nevertheless, it will cost you in legal fees to make them stop infringing, or agree to pay you royalties.

Third, don't underestimate someone's ability to copy your work. For example, you may think that having a 5-axis CNC machine is a big impediment. it's not. There are at least 10 of them within 20 miles of my home.

Fourth, expect to invest at least $5,000-$10,000 on a patent that will stand up to real scrutiny. If you don't plan on making at least ten times that in profit on the invention, it's probably not worth the investment in a patent.

Fifth, before you invest any money in a patent, spend a day or two searching for prior art in the US patent database. You may find little relevant prior art or a lot. Getting around the obviousness rejection with the patent examiner is the biggest challenge. You need to be familiar with the prior art before you start to write claims. Don't assume your patent lawyer will do this search.

Sixth, if you're unsure about the return on investment, file a provisional patent application. It is cheap and easy, and will establish a priority date for your patent application, as long as you follow up within a year.

Finally, a trademark is a lot easier and cheaper to get than a patent, and may give you enough competitive advantage. Think about a cool name for your product and file for the trademark. When your product becomes well established, your registered trademark will help you maintain market leadership in the face of copycat products.

Good luck.
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  #26  
Old 11-01-2012, 07:52 AM
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Location: Texas
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Re: Prototype Muzzle break

Quote:
Originally Posted by bruce_ventura View Post
I'm intrigued by your brake concept. Speaking from experience (over 25 US patents), I can offer some advice on patenting your invention. It sounds like you already have some experience with patents, so you may already know this.

First, if you're not willing to enforce the patent by paying a lawyer to go after every person who infringes, your patent will be worthless.

Second, if a large company (like Barrett) infringes, they will ignore the letters from your lawyer because they will assume an individual inventor does not have the $500,000 it takes to mount a credible legal battle. Individuals and small companies caught infringing will tend to cave in, though. Nevertheless, it will cost you in legal fees to make them stop infringing, or agree to pay you royalties.

Third, don't underestimate someone's ability to copy your work. For example, you may think that having a 5-axis CNC machine is a big impediment. it's not. There are at least 10 of them within 20 miles of my home.

Fourth, expect to invest at least $5,000-$10,000 on a patent that will stand up to real scrutiny. If you don't plan on making at least ten times that in profit on the invention, it's probably not worth the investment in a patent.

Fifth, before you invest any money in a patent, spend a day or two searching for prior art in the US patent database. You may find little relevant prior art or a lot. Getting around the obviousness rejection with the patent examiner is the biggest challenge. You need to be familiar with the prior art before you start to write claims. Don't assume your patent lawyer will do this search.

Sixth, if you're unsure about the return on investment, file a provisional patent application. It is cheap and easy, and will establish a priority date for your patent application, as long as you follow up within a year.

Finally, a trademark is a lot easier and cheaper to get than a patent, and may give you enough competitive advantage. Think about a cool name for your product and file for the trademark. When your product becomes well established, your registered trademark will help you maintain market leadership in the face of copycat products.

Good luck.

Thanks Bruce.

I can allways count on some good advice from the members of this web site and
your trademark idea is a good one.

I have already picked a name for it and thought ''Assassin" would be a good name
for it based on it's performance.

I have looked at other patents in muzzle brakes and found nothing like it or even close
so based on that I decided to proceed.


Thanks again

J E CUSTOM
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  #27  
Old 05-14-2013, 08:34 AM
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Join Date: Jul 2004
Location: Texas
Posts: 5,192
Re: Prototype Muzzle break

Up date.

I finally received some small versions of this brake that will work on everything from .224 to .458 bullet diameters.(Must be bored to correct dia. for caliber to be used). Machining is very complex
and we had to use a 9 axis CNC to keep the price competitive.

I will post another video of the test using the small version soon.

I have some of the 50 bmg brakes (With set screws to index).

I am also going to open a Web page soon for these brakes.

More information to come.

Thanks for all the comments

J E CUSTOM
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  #28  
Old 05-16-2013, 06:46 AM
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Location: Great Falls, MT
Posts: 3,909
Re: Prototype Muzzle break

Cool, looking forward to it ... thanks for the update!
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