Filtered Data with pagination

Hi! Filter products work is fine, and pagination work is fine too. But when i first filter data and then try paginate filter droped Filter data and paginate i need see url as

?brands%5B%5D=2&page=2

but when i paginate filtered data i have url

?page=2

Filter is gone

HTML

@section('filters')
<div class="sidebar-module-container">
    <h3 class="section-title">Сортировать</h3>
    <div class="sidebar-filter">
<div class="sidebar-widget outer-bottom-xs wow fadeInUp">
    <div class="widget-header">
        <h4 class="widget-title">Производители</h4>
    </div>
    <div class="sidebar-widget-body m-t-20">
        <form action="" method="GET" accept-charset="utf-8">
            <ul>
                <?php $brands = Input::has('brands') ? Input::get('brands'): [] ; ?>
                @foreach($producers->producerToKind as $producer)
                <li><input type="checkbox" name="brands[]" value="{{ $producer->id }}" {{ in_array($producer->id, $brands) ? 'checked' : '' }}> {{ $producer->title }}</li>
                @endforeach
            </ul>
        <button type="submit">Sort</button>
    </div>
</div>
</div>
</div>
@stopassola 

@section('content')
    @include('pagination', ['paginator' => $products])
    @foreach($products as $data)
        {{ $data->title }}
        {{ $data->description }}
    @endforeach 
@stop

CONTROLLER

public function index($kind, Request $request)
    {
        $kind = Categories::where('path', $kind)->first();

        if($kind == NULL or $kind->type == 'producer' or $kind == FALSE)
        {
            return abort(404);
        } else {
            $producers = Categories::find($kind->id);
            // $products = Products::where('kind_id', $kind->id)->orderBy('product_order', 'desc')->paginate(12);

            $brands = Input::has('brands') ? Input::get('brands') : null;

            $products = Products::where('kind_id', $kind->id)->where(function($query){
                $brands = Input::has('brands') ? Input::get('brands') : null;
                if(isset($brands)){
                    foreach ($brands as $brand) {
                        $query->orWhere('producer_id', '=', $brand);
                    }
                }
            })->orderBy('product_order', 'desc')->paginate(12);
            
            if(!empty($products->currentPage()))
            {
                $pageNumber = $products->currentPage() == 1 ? '' : $products->currentPage(); 
            }

            return view('categories.index', compact(['products']))
                ->with('category', $kind)
                ->with('producers', $producers)
                ->with('pageNumber', $pageNumber)
                ->withInput(Input::all());
        }
    }

MODEL

class Products extends Model
{
    public $timestamps = false;
    protected $table = 'products';
    protected $fillable = ['title', 'path', 'preview', 'short_description', 'price', 'usd', 'parent_type', 'producer_id'];

    public function value()
    {
        return $this->hasOne('App\Values', 'product_id');
    }

    public function producer()
    {
        return $this->belongsTo('App\Categories', 'producer_id');
    }

    public function kind()
    {
        return $this->belongsTo('App\Categories', 'kind_id');
    }

    public function images()
    {
        return $this->hasMany('App\Images', 'product_id');
    }
}

Please help i need create filters as woocomerce with paginate! Maybe some one have a good tutorial or help with my code?